12 Days of Christmas
23611619814616115513317863781775755614499195907866630394587510377588173154448618580798582567128770625858755882672575877591624701681573838577857453929853843166679897410167475655582372635427652584
24 Game
151869412131281201512112818217421314237622129151248208190882531392322211586226204162511111068217212388015613192557861445618176201612738876373418221525
99 Bottles of Beer
232281279163652122372701062969960437742615488839239424639638440920191617252257416401177291418539878161757720191922178741681215911189051653571116182220191918121828
Abundant Numbers
1768081952892051842542388576774480742147618275634743024634431624231723588664153469472429381611,0006420975681319019391127829129942311374644619874819212877124711806307521394266287421239111231335
Abundant Numbers (Long)
1738421952962031842832937377218679843452019677937245127440134025766461612977993843923391,000114580836363590388066628025736533715924378422241923629490615313052214882
Alphabetic Numbers
817188237308658585320129165163196294969593614895330878330206171871521778478393815311903036178294831222564332454759358610412576680316361826391642423185711686087733110
Arabic to Roman
248210918293838411116619110310693356719977108102121969615595715413730416819411578343467180113110775176112454122137161172873916125941038379867318513739195011320015212151137116168140
Arithmetic Numbers
1391271171941091421262827991371931821508462191621291911621472112321114721,0000128301170422233802222905156311229032252123
Arrows
135762231211001231009315537086114140102861127100851135372124744113122035779971212080681130737651018114784102781529667385751168959874995894631377187696917611688111102
Ascending Primes
1568211388707482761426054751081547279816911772129125161163929515823116148111164288824251381571161061018091451571552062717851331371218931267741059915914653029514018037411191130179
ASCII Table
262513457253760543543499105718216396350283736764330319314296244226373344197238469415193275765148818196343421716296283589336390384427424792303251372802325776273740923339550493450399316330246411490
Billiards
91101102195123135111992986117142199140113765140170154163153140216102114120230232303101219985641291401151131701023731411471942071747441219118385615269119615115111910152173139185699245182203
brainfuck
361229315579707775285479877415610188804128148113171130116246535710714022667106985542679143113729160130202187138230243149794909388869109708411811589
134189104171184120176159
Calendar
782180493207122152147181291139512918812978282210119281715919017720778112794228272177132219101669522091471671281795921761752068002306851559019496188626216163220113776167260158780254426310250
Card Number Validation
37100148115818512015097821610014321896741171133111125163195170124116102176241223100840728331411331098851421217511181371871661427801087413587112475573121158148406513810116215887171189
Catalan Numbers
36180177273440414422618807331430310592928590531738420733691413383731399518959241184690762379473980641423485463769154310159694170848944421744111571782263845869
Catalan’s Constant
4879199839511013912813012211113566922397009379899470105776935611514115141593121036464017312563199971246971171611651755801026258783113554173511797659351014489503121185133161
Christmas Trees
100121171224977519319720067470716519420816277618825214321922816812512762952001718899219971895381221537257588581271331351561549171218212281910284169778145988120613313818012368107169
Collatz
20027338328520117729535021810930851305714198882393287450282255338862164222922923148641249386221692994691313815202120253183917147518791884161476318233019233515181426
Connect Four
195308251
774466799173
156146168272232148632194223776189150127807
751543256
252
623
718837
207688
855
628
802
Continued Fractions
5080161
117118170159
1861591931389691771106170227148139124
598
614
645
748
941
858
777
CSS Colors
106
106159
12135140137156817115420132134152126124
738
858
988
767197980
897
813
171
Cubes
151200177
155220202244
1671411741752278467016820717820487417453674051754925303841560185148565393424524751646277246307571840606342858042347650564347263979
Day of Week
8112663
488371165
106880961206652898608314913580124
869
670
856951
653
1,000
962924751
599
DFA Simulator
539598
83100106197
9715514123117981773123254210210229196
512
96
651
870
588
Diamonds
138114102
95112139128
741081181631501018448816012112510112069633960151350835536482789207086680434965479716984908215542659176375937637797047119787293613564111
Divisors
137313260
235232408328
8347537713644115278381974773243432302645043234082731833939111,000856398288482631817479365161709067227935699799079362994993753777850516644274383
Emirp Numbers
83126124
899199144
51646212810210788482314911513113985105500294117365709492839399847298850554356559593345395537444440477592447791413357479884435906187769639499643700499456151380500392463
Emirp Numbers (Long)
124169154
9993137127
5465621271011458186081108127152110132964531821048723537657680055363885814952560666782100115681534870903658843386363683119185746534654856394
Emojify
29806318
146296190256
128129154225195111766133178161180159140
762
674
559
808
539
580
Evil Numbers
901258235401041331051551717828668091531678778828021241669111201425053261012286985278453974381631,000957335555732269349978445427436657905748589271528980393689186763786669634666429480563357425367490
Evil Numbers (Long)
102191218562125132131168768410817915516911992554013617890712518525146174430849172017900942182972814169662121223029719687142297218661975729471333822255416171834
Factorial Factorisation
14213414278119107111138164849811915618096712121155138162784168114103133981871429158580573735421261219190814410211413218118572397911207518272412184212412253116912514615110193120200
Farey Sequence
2592583062072072252172941277018725826030319591821730526828824534414126152219413147450415177811111717151417229361310159501475587331714172016202912161624
Fibonacci
69922326046018073537240323295096194428032871088542777892993126737251414156835440950970213957701,00082122996097777170189830395675891574684875880988098418491795862955225442729830311383932331232831
Fizz Buzz
334391767241949932613849457938858866692593528947869811767377780257606766522367404774942822939676880753636973986946928811523925796819684930974979717990887970122975841209358709857921332466538876351
Foo Fizz Buzz Bar
11813182121211811117086887671317495940191315161518161461524197431314985741188987292878182317774161925864946116129811481771382615182317172214131423
Forsyth–Edwards Notation
754
818
865
823
666
634
Fractions
919
820
565
719
970
871
982
Game of Life
705
638
306
764
686
858
752
758
566
784
282
Gijswijt’s Sequence
1862753273038102772644180293710345426304938494526648633391026688214254254631203565935384251578213325427983763288275435216345445728423140
Gray Code Decoder
860
681
901
637
1,000763
689
929
867
919
759
735
132
Gray Code Encoder
688
844
850
744
1,000850
920
866921
896
936
853
913
866844
Happy Numbers
877
868491
932
1,000
728
956
809
172974
704
634
654
Happy Numbers (Long)
916
929
915
797
219857
675
701
Hexdump
98815
903
951
674
905500
Hilbert Curve
838709
850
286
149
665
872
599
586
532
505
546
380
136
845
Intersection
700
851
827
393
757
580
824
432
679
Inventory Sequence
249
1,000
825
762
892
601
142
ISBN
300
242
409
893
810
774271
860
777
Jacobi Symbol
768
924
218
448
521
510
745
530
638
Kaprekar Numbers
778840807
697
634
762
632832
725840
749
707
698
869
Kolakoski Constant
262
611
838
723
606
Kolakoski Sequence
410
596808914
647898
875
973
759
897854
879
692
911
Leap Years
403
706
930
889
908
856
899
975682899
816
707700
Levenshtein Distance
383
833
927890
871
733
723
663
520940
919
536
948
137
248
Leyland Numbers
908
824
753
952
824
671
ln 2
38
931
832
750
941
950
964
663
Look and Say
1,000
916
852
813
819
891
507
Lucky Numbers
409
541
753
765
541
670
417807
927
698
567
Lucky Tickets
869
812
700
723
948
597
Mahjong
337779
50
625
690
370
35926
486
532
352
602
852
684
397
Mandelbrot
475
623
850
732
918739
535
855
Maze
842
554
243
764
626
868
496
Medal Tally
643
630
682
850
581
Minesweeper
12027
47
776
667
805
885
792
780
845
216
Morse Decoder
851
811
657
499
Morse Encoder
593
780
580
912
340
762
839
633
Multitap Input
751
743
667
739
871
710
772
783
Musical Chords
677
4553
237
64
833
611
642
776
676
N Queens
862
34261
663
634
885
721
810
Nim
797
935
736751594
833437
426807
802
847
634
657
242
647
Niven Numbers
890
749
853910
938
827
924
848907910905
939
934
1,000
964
881825907930823897
842
976
936
848931
917
908
908877
Niven Numbers (Long)
923727
892
931
1,000
828894
916
948
922
933
Number Spiral
710
844
889794
246
952
731
769
656
761
Odious Numbers
540
875
907
788
1,000947
965
891716
976
706
784807615
Odious Numbers (Long)
530
904
752
1,000935
960
673
968
671
775
460
Ordinal Numbers
688719
963
904
893
936
969
PalindromemordnilaP
872
1,000
620
725
857
936
837
Pangram Grep
500
619
929
8231001,000
937
888
259
746
905
874
797327
167229
181
Partition Numbers
135
693788
577
827
903
793
684
Pascal’s Triangle
1,000964
776
900
236854
972907942
940
838
Pernicious Numbers
332913
946932931
926
906912
918958
1,000946
927958
853
925876896905942934950
973
945
920928
922
911
912877
Pernicious Numbers (Long)
399
505
1,000951
878
722
945
747
805
328
Poker
186766792
163
832
795
676
851
745
Polyominoes
532730829
459
801
852
550
209
523
302
468
387
823
835
345
Prime Numbers
520
825
423
871906
949
903
946
1,000987
861944
984909
737
894980
958
958884
Prime Numbers (Long)
514
854
924
140
942
896
859
1,000974
847955
971905
824
737971
859
943926
Proximity Grid
807
727
769
650
842
629
887
663211
QR Decoder
818
845
746
442
513
494
453
633
587
569
782
Quine
986
148
962
864492941473
122
943514520
897875554
940128
932639895945879500898
938864919938971
945626906821953735444910976
948
957941
917677
231367
817
Recamán
921
702
400536
627
954
605
91
Repeating Decimals
698
611
684
576
916
696
939
Reverse Polish Notation
332
1,000
870
316
848
835
812
742
Reversi
607
685
876
836
687
Rijndael S-box
243134
237
128
512
620
716
495
883
Rock-paper-scissors-Spock-lizard
815813
799
707
822
674
844
731
Roman to Arabic
129
120
938
818
697
703
915930
965960774
912
138
ROT13
829
722
896
933904
956
909
966
Rule 110
518
917
428
696
624
940
724
925665
625
Scrambled Sort
775
404
823
142
867
1,000
808
92256634
496
Set
110
500
336
846
743
680
Seven Segment
128
47
658
771
559
529
775
945
548
592653
SI Units
832
694
653
62
782
626
Sierpiński Triangle
934
536
783
858
814
757
Smith Numbers
677
784
718726
737
708
878
714
715
Spelling Numbers
810
1,000
656
592
561
496
374
Star Wars GPT
354
248
66
516
776
944
675
939
521
775
Star Wars Opening Crawl
815174372
146885
554704
51
571
753
478
751
164
Sudoku
795789
375
197
111422
874
591
693
Sudoku (Fill-in)
598798
436
224
69
447
535
589
722
620
Taxicab Numbers
166
722
601604
133
150
882
794
685
904
664
741
811
Ten-pin Bowling
797
187712
708
512
507
554
542
713
715
368
Tic-tac-toe
509
513
429
923
764
671
932
Time Distance
148
873
799
692
659
878
716
587
Tongue-twisters
802
600
847
875
849
870
864
570
520
Topological Sort
623
578
471
694
829
680
585
544
Tower of Hanoi
127613688286773720703920379078338207246924088426907798508087827598007336757376818219727666701331,000693539885859658730952872889787815801840829776730910760783623832917594425794797694879753594840750
Transpose Sentence
916
871
1,000
458
717
858
599
Trinomial Triangle
688
917
656
604
945
898
Ulam Sequence
786
824
462
857
776952
857
687
798
684
545
851
819
827
United States
56
551
355
904
64814
841965759
Vampire Numbers
369718
781
863
541
683
578
781
528
778118
725
153
Van Eck Sequence
855
761
1,000730
616
422
633
930
591
124
Zeckendorf Representation
802
838
779
722
636
883
581
744
900
666
Zodiac Signs
798
686
849
654
708
892
624
γ
373
978
433
668
450
λ
229
190582798206
796
643
646
918
762882
808
511
892205
π
9678
229
584
952974
975
912
835
786
138
τ
80
226
562
952966
960
909
828
749
φ
53
223930836
741
938923
952
952
969
860
134
√2
50
928
917
942
946
972
694
𝑒
55641
200932
650
706951
898
953400
918
970157686