12 Days of Christmas
89187211150168158175187142181837191176143263873135174182187170175189180208164210898879888184181150169184896884178180159186186194209185150174170202877189154172165198138175208193172156183159937227
24 Game
162520132032201729204392413165691323132122468152469321629386273961331234204602761411620242528311521281386515163511222014944324435234090737
99 Bottles of Beer
1022221617151918141860021172036932181719192124222122222982980284120226134952078271118181422202023236011716219161916201721171923212018191382432
Abundant Numbers
9125449423924229033822233834182441929038686782040423739033735736170132933313158384867695927311267157294835814268211148321322331483288246321235385797237208363250399442591512316343420333292851487
Abundant Numbers (Long)
1648944743525549103659538354751941,00077448574697275655925140965686959503110126393487950382662726991644259477793841356444808810810369611227354985114
Alphabetic Numbers
19533573420435170324242864513498594487792534625037291037782
528911631812301,00015840872716302719355053533926462789929343053284321498434256796494341979157
Arabic to Roman
313402366
1,000
7781,000
639431549
486754
810976
872
Arithmetic Numbers
12311222386494888023795931221,00022226614976651889220029428242112223212229351131331073235239764
Arrows
252
392
198410240460
781
378
449486
483510448
10
476468
388
795
371
480
868
Ascending Primes
6216425810112517617312416214847118112218755186323512517615454520518912330896320676615892130158315218948050814211345166181177238227126153168138893143742631101792026203411632103771502051,000247
ASCII Table
173399516263351320410334247721723404411411838811415318428471422398415406375224568895602809403143132278385753702342307252386429423474494282338280411813357263417277483401625554498459331387264892554
Billiards
741770771
875
903654919
782747
896
892
brainfuck
27
401
864
564457812
423771
892
650
979
Calendar
589
888
965892485
641763
1,000
1,000
Card Number Validation
595
960
757694615
736680
965
830
Catalan Numbers
32191303946575126449884216191191,000201924241523191560313780790997416547769921,0004714152655637287154811171,0004897511471950129661993314495143
Catalan’s Constant
2598231921041201551441681326011497211230672510286105108761668475412137161418662560814031431973605452271,0007311112918255820966113686276612657196551999067157916198584136208774190
Christmas Trees
431131978510710913011014113764917212715922889913610316612915615114115814274254839574756124443360150766761929661144145150177150891339013789911484124100158123902321471588614875924217
Collatz
414321414151514228909888321824599822916272224232523175439639639441465424989947151410222322281915181524926201320152726263521263122191,00037
Connect Four
756
744
604
801
632
639665
759
613
882
Continued Fractions
736
946
938731880
53
916776
1,000
871
CSS Colors
130
50
904
746765786
663748
1,000
769
825
179
1,000
Cubes
335164253953504848476085234528471549365642606459795950897842772041392122596865714537255952577266345132857254534443153493885566418544182495
Day of Week
4771,000537
1,000
1,000832538
5841,000
1,000
1,000
755
1,000
DFA Simulator
365
828
604682601
438513
855
862
Diamonds
296912152526668637372497866991132739886289777593797781481936545796277049153086549600525430887877968845604574736714262488991531349082377439739140
Divisors
13436936388365143458338166639511541,00057416561843645653483841029638891,00072549617478888913233185258567065324227541,000302450381,00066888854583054301,000103
Emirp Numbers
1464387834013245494744925745725716083965009839316534515775414655035733994322339729078297864371641322005035525374824441855185005316784253574824375319054932845254186477177317975535496295285601,000677
Emirp Numbers (Long)
2992118545473786398815929855932077739859898890951116010644145648833833625514138762857767582380769411786505954808647334845910211613821784741847498935129
Emojify
258404299
912
742621416
190
402385
927
836
Evil Numbers
853571,000341343447427363555907964932446615973974615382618527615543584468424150964988737923472931292284949679493943971745334874817594003655073625801,000447320613818622722702753464605613513467978747
Evil Numbers (Long)
424422017181817228939839331925771,0002615342531322920218639888009502295428984951191872423253619142115241,00020132585331303843242950221992347
Factorial Factorisation
37149184839612713211018710365513011016233075214097137125145173129110152120215569641856130602944145511785100904611612914920823891108102135729918013583141139610191141169136113104862236
Farey Sequence
5142414111312131316899211417509571813211720181616178309824608401656419874847141271917161816111410169571611171019182222182228151895732
Fibonacci
492293692268928829779762909399819868682757939443387429551,0006203393051841837335771,0001,00097119974607043059831,0002375194199801,0009053678155852452032761,000700905825893941301506482957364399282201849949
Fizz Buzz
8318025481439039656149034879608819798338026631,0009174599789165745876402059695129628649731,0009767119237805851,0001,0001,0009518417969318477737389551,0008241711,0009399324141,000870661388758893986324522112960644
Foo Fizz Buzz Bar
6152114121215121518774221419431,0002114201816171818198337947741,000151416414942898121381919172119111,00013161,0001610151322192125181921181498131
Forsyth–Edwards Notation
739
816
790509806
925854
874
863
Fractions
729
1,000
965750773
83
899750
1,000
1,000
910
Game of Life
641
782
478
691524705
778763
795
870
Gijswijt’s Sequence
142662313444263145455666232421267736329535643385244348102679165093217115445925413439174249475928223728488044223352560652473515044474885663
Gray Code Decoder
786
1,000
958857920
892839
1,000
1,000
Gray Code Encoder
506
839957667
962
1,0008951,000
73
1,0001,000
1,000
1,000942
983
Happy Numbers
1523788073984034695004935667086966555255579809187224696125945394881,0004304412221,0009829638594802371312595007547295004262365896265267584174145984915421,0005583485987317197766597985956815625224731,000714
Happy Numbers (Long)
349823492819713911412874779817511216636393519595156154157156175113134592681,000964957103632455141927747103914514014816019513383127961499351207215174689317120722716814926715995908233
Hexdump
406
962
681
436
12
617684
993
721
Hilbert Curve
143133742735371333723363844033721545456531405860980105751555610546642727452894421654113804533224743861311453738388155640325530466857159596951881231,000813
Intersection
807
882
952604972
725631
844
926
Inventory Sequence
41839161215151726247193117266386421163027322637192056189850088920954324754788182182826284017131617299151913201436323654282528232081243
ISBN
544
454
707
890498
520
908608821
51
928881
910
953
Jacobi Symbol
693
797
1,000488765
794657
806
863
Kaprekar Numbers
2362392951151184011711304941567641871212374856833151231821561,00021921020645199312879188710204251368219976867518112384178161185247179124135221226747152218676124193209803501167298652165544705276
Kolakoski Constant
221282105597118155140421155751447799300813124901001101251491119817014421960952650093100253515659686128684210714213633519471104788676995611525916110620257716599332133189879181
Kolakoski Sequence
5395115221636301729798392535959124125393644473635294068829714836351781239701700262773233374748202119339122019312241362753384163271894863
Leap Years
16489859508184442868698219115769170933794384676071625458251399007249295518223868849909404332536053785140613670956493860457583958451711025445855128
Levenshtein Distance
344
546
933
1,000
818809516
732760
1,000
1,000
635
940
Leyland Numbers
541011508866741051252001278371497810325898611375119122831158875145622477697718447395163592822625695341130921041461306785689398670561405514011727812014112135512094863213
ln 2
2140187549010212510611910560011855652611,000356782895599634814210412958351170863291529134559631991,0005173116149176185299142521,0008641140381376467121913562275110189760149
Look and Say
138411026506575764862662834263178875854372795568310365748413275422985634413286067787047542571817191113394584565841446215741991014013464611367340772148
Lucky Numbers
312261310121310187254292012176659647521119151619161412792286198069387829331540261913116161615191610121118964101016102120343814183715872829
Lucky Tickets
623
989
799325636
590581
1,000
677
Mahjong
142249
592
298
277
287
277329
594
403
831
Mandelbrot
11122091118131223126901311143286413913141616151118122579878541119951470277914861313131920101211158889712917132425152252131790020
Maze
352
796
750
505
480532
835
878
Medal Tally
521
752
705
549
610594
843
1,000
Minesweeper
731
867
638
370155
874699770
57
858750
826
875
Morse Decoder
596
821
719
510
570579
805
887
Morse Encoder
105
740
631806102
112461
754
771
Multitap Input
584
780
708430531
52
659798
772
912
Musical Chords
245
748
782
324
15
297766
806
758
N Queens
2311031255869779874548845510875105400737112691119711610912110111983179694608711841703037895105118858331029611511410482998288769755311862111111123137117112191129235940180
Niven Numbers
1012897863663138864442905909421,0009584045459771,0006363405284734954765004294531528181,000913909385114872804399851,0003483742334584654406063712954383114801,0003812815943545506406836334294745254654061,000661
Niven Numbers (Long)
2613656661089201179251,0001241098109782171,0008571,0007312798896266378811847591,00074851011171288188685915
Number Spiral
2043225181932533074863032448578043642753217637673572783803746403873942614332515348884679143432665374345815775272218102393390408409446257318302363741212151449249242366452664398444170347426815576
Odious Numbers
81351950319321443410349533891982944442593973974580367590511580517575450417148947988737949455931102324509689493924071815264814767443923384743335601,0004303085648486246836947254605445775194361,000741
Odious Numbers (Long)
4224118151818162194498297320258197525153425313228202186398875095022114527984975201772524263619141914251,00018122385331293741232649221894147
Ordinal Numbers
565
897
834738971
109
6431,000
920
1,000
937
PalindromemordnilaP
664
945
807733662
43
580679
930
875
Pangram Grep
419
583
1,000
551657
7631,000644
648776
540
986897889
129759
843560
Partition Numbers
2510220390717211186155106826133911402719661368013011511814212210614952198853725877875825461188328691117239113116107173123748776112948708410469135125786274110136146108163977192
Pascal’s Triangle
1879128595955848285838131076872248907757099945861159476726916597385279789201219818477436067719859187113132446752851,0001,00034831,000104851051569381618548986178
Pernicious Numbers
822967102649098051,0009434221,0001,0001,0007204549791,0004638394553884444294214023671428161,0001,0001,000349136901933741,0001,0003963061724003803765493092313332224141,0003582295149674585146125423333495113803331,000593
Pernicious Numbers (Long)
134223223358542391,000324334323177548391,000321137585822213334222231,00032324354336338575
Poker
430
425
639
435
595
361506
655
851
Polyominoes
982113273150484537554320349385818457372354949432531017849525131445203003316021684215254433815551088011290295941635684737582963942479813617653311512808
Prime Numbers
1103629364356397415884954758977296894645959731,0006714036127305325216282185001929739589441,0008111051271,0004497699734038111,0006325196007864605838606515611,0006678406711,0006707136958466855455746084471,000761
Prime Numbers (Long)
281277268878932767137706301,0009712773911667394198729501,00092711521,00097721,00068721,0008111012103188224291,0006748081097167710162587201019961,00019
Proximity Grid
382
668
466
334
303319
640
867
QR Decoder
472
557
524
615
485547
734
611
Quine
1,000212559875961,0004648709235001,0004798928754418711,0006529184191,0001,0006002071,0008033191,0001,0001,0001,000958
9639141,0008931,0001,000
9141,0006321,0008931,000818230161,000478630
1,0006821163381,000730638
649
872916
Recamán
1365127534048535485748159756881999349551967777861036270301728016308576451181571710785716132837377109614154498198458426447999311612480901557463944130
Repeating Decimals
816
610
935872459
678696
588
730
1,000
Reverse Polish Notation
726
868
8191,000762
809738
956
659
906588
Reversi
485
689
664
392
431486
708
900
Rijndael S-box
247258348661781431482011383586101271682685597322651151432343352991701833341686037577177492693237099159660650299173972262071702891191461881552737601871354931331612463636622812846251313141,000210
Rock-paper-scissors-Spock-lizard
512
643
662520466
280569565
664
804
Roman to Arabic
454
750
625656619752
966
819711652842
62294092398676395
841760
776
653760840
622632571327980946680
769846
630
821
1,000822
ROT13
377
481621568
909
799431933
123
701832
1,000
854
803
Rule 110
2610455865535275916986746778768612528960868541374196586426789935459865464774118647486010
Scrambled Sort
463779
960
251
708958537
730769
1,000317
932
Set
508
847
829
657
712587
937
733
Seven Segment
187
704
836
766655860
802491
916
1,000
SI Units
792
741
961978789
865643
528
790
912
Sierpiński Triangle
43119253751001091309211052743913210814842581214686131127133157127139136992454825816391265934571254145009984571141231391731937991901178261208215489143137982231271366911257747202
Smith Numbers
17511004142515249138518466446821558701014665648677796164311098555988735266179637388196444236667668258405154758895349674572803771536573151615387789
Spelling Numbers
807
990
6291,000
863709483
593754
652
890
Star Wars GPT
402
930
535
1,000
572
701608
921
1,000
Star Wars Opening Crawl
593
743
739
734
446614
767
820
Sudoku
348
615
536
545
371472
610
1,000
Sudoku (Fill-in)
308286
510
496
436
308303
519
966
Taxicab Numbers
1133351517191928482075425152270860281623232224276251,000135679075668420185442274367313187241923322213211627916131223162732659272630896201478840
Ten-pin Bowling
345
222761
603
571
368419
744
814
Tic-tac-toe
333476380
825
732685882
635950
886
186
802414
Time Distance
778
909
657
851
821
838719
904
944
Tongue-twisters
286838689415592577554600553536508554515556632815593490499557507538545553697616672672469689549561453487589628856534497475532548573651570501542506607814548513604483599633576712564533606522502866732
Topological Sort
276
717
957261374
303313
748
1,000
Tower of Hanoi
5142212135329201,00018956918933810603559452385784487888675217221711532947906926181546618974902197899943966881231713156302094564812228251,00022122794719982820912767
Transpose Sentence
614
962
9641,000831
673723
538
946
992
Trinomial Triangle
84855232627443942355424832331101,00038294741375546364635865715657834117514373897742428104342455464213024431,000251943234937546744537374211283284
United States
677
803
880159879
673936
87
863
837
776
Vampire Numbers
158157202132981171571792211125581359912042391218211012012464311213811716890317515723769931812944138588565958747112145152207188761221211329061188810696136194540316126168538145175792184
Van Eck Sequence
317331712151515312570533162275912261731232521292021465869687317194322659796161982921233517131516219661912191533303036272848231385144
Zeckendorf Representation
711
873
939547844
93
731768
941
945
Zodiac Signs
642
832
748
593
700570
873
602
900
γ
2631,0005781245635483555574782686012827655070874810294100123514139109100548339191714476589747486655265425405361,00012513055636155457386543761037032086855166324103670578586589607148584914646
λ
9419457619856054555055534428375330016720065682521818019520019524121918054653134373111073719317692122526649695535146174190557545554576168534184222825414153553141289208665577551242599529567911253
π
1931195539210213010412110689312662732589694566911006310772511471111337098927276829952271416671,0001501,00062751191471781939269453541,000108471586461507366522314783281118121638159
τ
1941195559210213110412510688512663732599705166911036510775511481101337058927426929952291417039841501,000627711914617919393194535597010847151421507366522414783281120120604159
φ
154120258911031341068911086711249512561,000697567876589764401511111299138856801,00021158851457958771651,00057541161451801979399247491,0001012713035149416651881464027886135753133
√2
14362015793971331097710479810951482551,00045568078599366441451111311,000862702623111261451,0009291481,0005550119144176196279549481,0001043213535141376652271414028083124898131
𝑒
143515044646510986858680010651592281,0004058818749916140105961268468008245521122396857980841,000416793117128144266440491,00071321053911160665177104682219081888144