12 Days of Christmas
2,855th
4,157th
853rd
1,472nd96th
429th
54th
180th
298th482nd
24 Game
377th
99 Bottles of Beer
3,448th
654th325th
183rd
263rd
586th
224th
234th
Abundant Numbers
2,525th
933rd949th599th
633rd
1,819th1,032nd1,288th884th96th
3,402nd604th
2,454th2,252nd1,483rd
1,132nd
746th
311th496th654th3,772nd1,198th
Abundant Numbers (Long)
1,331st391st
1,473rd230th
1,943rd
1,629th
75th
1,191st789th766th
443rd
Arabic to Roman
642nd657th706th
30th
583rd
320th
490th
629th
Arithmetic Numbers
356th
82nd
1,599th
128th
Arrows
192nd185th
521st333rd
15th
254th
Ascending Primes
361st
ASCII Table
992nd
488th
591st
Billiards
383rd
brainfuck
983rd
318th
183rd
685th
138th
311th
216th518th
Catalan Numbers
1,363rd
161st
475th
17th
1,192nd217th
Catalan’s Constant
4th
447th
Christmas Trees
2,880th1,548th
171st
491st
185th
780th
283rd
427th
230th160th
Collatz
88th
601st
CSS Colors
640th
589th
299th
79th
155th
225th
Cubes
836th
365th
371st
637th
Day of Week
1st
DFA Simulator
382nd
143rd
Diamonds
2,317th472nd
452nd
571st
1,033rd
525th
589th
864th553rd1,096th
818th
Divisors
4,386th
4,254th
5,454th506th806th
756th
1,425th
985th1,024th
1,476th2,669th530th
2,190th4,172nd62nd2,833rd
641st1,210th2,192nd1,443rd944th2,530th832nd
79th905th977th408th572nd3,451st1,232nd3,922nd
Emirp Numbers
1,372nd64th120th
363rd
1,220th402nd
406th
762nd
844th431st
458th
945th36th775th
898th
Emirp Numbers (Long)
578th
572nd277th
Emojify
341st91st
457th
484th
9th
165th
Evil Numbers
1,963rd
3,519th1,220th679th1,131st
908th
1,966th
2,204th2,462nd254th
3,682nd540th
2,606th2,048th810th
1,734th2,671st
31st
1,148th1,595th1,736th
2,639th
Evil Numbers (Long)
457th
1,474th
249th
1,330th
113th
Farey Sequence
457th
Fibonacci
2,648th4,006th
5,586th
10,177th902nd444th1,036th
3,070th
999th
1,963rd
3,395th1,953rd805th357th3,672nd
7,291st217th6,248th
619th2,970th2,405th2,150th3,246th3,703rd530th
29th
409th2,070th1,169th2,942nd2,331st4,031st
Fizz Buzz
5,529th
3,569th2,380th4,429th
2,093rd
89th
4,024th5,130th5,584th2,646th
3,261st
5th
1,276th569th4,789th9,338th4,496th
Foo Fizz Buzz Bar
1,002nd
564th
1,557th
1,135th
3rd
1,549th
Forsyth–Edwards Notation
822nd
165th
178th
Fractions
471st
807th
885th
14th
Game of Life
310th
315th
305th
Gijswijt’s Sequence
395th
Happy Numbers
2,064th689th420th
479th
581st
1,805th768th
1,319th
345th
26th
1,246th140th923rd
1,766th
Happy Numbers (Long)
965th
976th
356th
472nd
1,029th
407th
1,042nd539th
748th
Hexdump
530th
73rd
49th
Intersection
853rd
337th
Inventory Sequence
481st
487th
72nd
ISBN
436th513th334th
54th
718th
545th
Jacobi Symbol
18th
316th
Kolakoski Constant
346th
327th
Kolakoski Sequence
1,209th
606th286th
924th
1,167th381st
696th
931st
772nd
304th
682nd
Leap Years
4,748th588th
2,312th
120th
3,387th
2,231st
867th
2,153rd2,328th
Levenshtein Distance
683rd
121st
586th
612th
40th
Leyland Numbers
552nd
303rd
865th
741st
280th
19th
677th
ln 2
119th
484th
Look and Say
226th
145th
Lucky Numbers
74th
Lucky Tickets
479th
Maze
359th
270th
Medal Tally
247th
Morse Decoder
207th
223rd
273rd
Morse Encoder
286th
298th
225th
199th
Musical Chords
430th
Niven Numbers
2,521st2,749th2,174th2,039th1,338th1,535th3,293rd265th366th534th2,468th1,591st663rd2,412th641st1,714th942nd1,143rd
1,836th1,090th331st432nd2,666th1,002nd3,369th93rd620th3,364th
590th809th1,391st1,305th2,057th896th314th1,263rd39th1,566th410th1,413th550th2,937th781st1,192nd1,037th3,301st1,061st
Niven Numbers (Long)
971st
1,040th
619th850th256th131st
Number Spiral
961st
220th
Odious Numbers
2,123rd
3,124th1,061st371st
804th
1,612th
1,563rd
240th
3,090th431st
2,214th1,863rd848th
1,018th2,574th
34th
1,010th1,294th1,388th
2,264th
Odious Numbers (Long)
820th
1,197th
217th
1,130th
34th
Ordinal Numbers
520th
48th
185th
993rd
302nd
142nd577th
6th
Pangram Grep
2,040th
1,365th
1,717th164th
373rd
1,612th89th
1,618th
2,203rd
536th
256th
359th837th
2,131st463rd
Pascal’s Triangle
2,790th958th
101st
789th
454th
976th
277th
380th1,355th
Pernicious Numbers
2,067th777th1,657th1,055th
2,740th310th452nd489th
390th1,368th805th1,495th999th1,455th718th
1,951st260th1,198th2,377th140th
618th692nd1,132nd1,017th360th412th226th
28th
290th203rd527th2,266th1,124th844th858th
882nd
Pernicious Numbers (Long)
1,013th71st
1,213th
108th
894th
Poker
357th
Prime Numbers
2,570th
3,201st
3,373rd1,269th750th1,166th
2,291st
827th2,264th649th
405th25th
3,309th228th2,059th
1,121st711th2,086th1,391st1,291st2,006th341st
502nd
760th604th1,315th
1,283rd
Prime Numbers (Long)
623rd1,240th657th
1,413th
21st
2,364th1,224th
1,242nd
238th
1,099th349th
Proximity Grid
296th
198th
319th
QR Decoder
247th
Quine
10th
313th
2,309th
1,574th3,511th
1,421st2,850th
1,881st
1,794th
1,281st
4,145th2,484th4,098th
3,066th1,311th1,889th
3,037th623rd3,315th3,890th
150th
4,765th548th3,829th
2,880th
Recamán
79th
510th
621st
Repeating Decimals
1st
Reverse Polish Notation
777th
1st
510th
192nd
Rijndael S-box
174th
151st
Rock-paper-scissors-Spock-lizard
365th
366th
166th
213th
235th
324th
222nd618th
Roman to Arabic
693rd
181st
723rd
487th
208th
ROT13
15th
Rule 110
292nd
390th
123rd
368th
425th
603rd
Seven Segment
655th
440th
266th
552nd
477th
373rd536th
SI Units
200th
Sierpiński Triangle
554th
531st
160th
314th
424th
Smith Numbers
386th
447th
305th
424th
267th
Spelling Numbers
458th
1st
404th
734th
Star Wars Opening Crawl
329th
Sudoku
244th
341st
Sudoku (Fill-in)
137th
203rd
249th
281st
Ten-pin Bowling
350th
Tic-tac-toe
774th
Time Distance
310th
Tongue-twisters
339th501st387th
684th284th
585th
478th
222nd
United States
144th
286th5th
123rd
Vampire Numbers
450th
208th
340th
Van Eck Sequence
515th567th
1,034th385th
98th
504th
Zodiac Signs
238th
140th
γ
2nd
λ
1,212th
1,203rd1,250th1,378th
1,373rd
428th
416th
1,516th
1,383rd
1,454th1,245th
412th
π
1,936th811th
489th27th
852nd
166th
825th
τ
1,307th
413th40th
701st
131st
757th
φ
1,801st
420th267th
971st
15th
157th
√2
2,093rd
467th188th
1,137th
664th
1,157th
𝑒
1,856th895th
596th126th
1,108th
757th
855th