12 Days of Christmas
40th
492nd
318th
21st
34th
24 Game
5th
123rd
59th
4th
3rd
99 Bottles of Beer
86th
245th
164th
44th
43rd
Abundant Numbers
777th
471st
221st
747th
1,421st
2,028th
56th
591st
566th101st239th
2,152nd
381st
9th701st
Abundant Numbers (Long)
1,152nd
327th
90th
1,809th
101st
633rd
910th3rd429th
1,411th
66th
530th419th
Arabic to Roman
199th24th274th
78th
210th
133rd2nd
321st
112th
Arithmetic Numbers
68th
76th
488th
1,371st
839th161st
3rd
78th
Arrows
20th
98th
85th
6th
113th
Ascending Primes
57th
328th
241st
115th
12th
112th
ASCII Table
23rd
59th
259th
2nd
73rd
Billiards
143rd
129th20th
12th
17th
28th
61st
7th
10th
brainfuck
1,212th
39th
118th
149th
17th
229th
Calendar
30th
101st
211th
2nd
55th
Card Number Validation
81st
31st
145th
48th
65th
476th
3rd
60th
Catalan Numbers
557th915th
432nd863rd311th
904th392nd
504th899th
570th
680th419th208th
145th1,626th
490th
1,509th
481st
35th
121st
647th
563rd
Catalan’s Constant
148th
60th
156th
161st
2nd
118th
53rd
175th
Christmas Trees
134th
55th
138th
27th
323rd
Collatz
361st
218th
165th
4th
307th
169th
627th
Continued Fractions
205th240th156th
31st
76th
83rd
207th87th
101st
5th
2nd
CSS Colors
42nd
147th
128th
187th
1st
94th
63rd
154th
Cubes
37th
357th
67th
100th
186th
Day of Week
204th
513th496th
243rd
374th
451st
335th
377th
606th114th
396th
409th
1st
67th
177th
DFA Simulator
12th
40th
222nd
7th
52nd
Diamonds
30th
246th
88th
2nd
196th
Divisors
1,281st2,552nd896th
2,057th
730th2,488th420th
2,730th
983rd
214th948th1,000th
1,171st1,746th
757th290th
1,147th1,178th2,412th
36th260th
1,010th327th1,495th
Emirp Numbers
480th707th
272nd148th
515th
114th
426th
540th580th402nd925th
96th
191st
488th
264th950th
Emirp Numbers (Long)
36th
200th
160th
94th
14th
127th
Emojify
29th
39th
64th
4th
90th
Evil Numbers
2,486th
2,771st1,746th
833rd747th900th565th
915th851st468th391st1,355th583rd1,267th
491st3,366th
1,127th873rd1,791st1,156th1,852nd199th
766th522nd2,738th2,485th1st773rd
50th2,129th2,235th
226th1,253rd436th680th
2,799th
4,281st
Evil Numbers (Long)
1,257th
752nd942nd
499th352nd365th359th
273rd369th259th617th369th
339th1,621st
608th1,161st723rd
87th
425th287th
1,455th1st873rd
46th1,049th1,673rd
886th658th440th
964th
Factorial Factorisation
63rd
100th
91st
19th
22nd
Farey Sequence
382nd
90th550th
51st530th84th
501st
191st
31st
199th
3rd
418th390th212th
Fibonacci
2,717th2,557th2,289th2,319th
804th450th654th4,354th3,203rd4,043rd3,188th2,563rd393rd1,901st1,120th2,803rd
4,764th4,517th
2,698th767th1st2,580th417th
2,813th492nd232nd1,996th5,031st2,065th2,040th534th2,594th2,217th2,953rd2,759th3,344th375th1,225th56th4,588th2,015th
1,147th739th2,134th
971st
Fizz Buzz
4,918th3,837th
2,181st1,479th
485th2,076th773rd2,178th3,153rd
741st1,170th1,241st1,719th
4,917th2,006th
3,348th1,697th5,309th
1,281st7,562nd1,889th585th23rd714th1,612th
1,332nd1,649th1,889th
4,326th505th427th
3rd1,191st1,592nd
2,725th1,931st1,893rd
1,588th1,873rd7,918th
1,973rd
Foo Fizz Buzz Bar
369th1,046th
859th
122nd
320th470th
2,228th
336th1,487th
179th530th207th1,059th
433rd
376th
2,039th139th394th
2nd291st1,380th
176th
2,249th
Forsyth–Edwards Notation
61st
314th
137th
40th
317th
Fractions
156th
291st
238th
299th301st
307th
96th
10th
Game of Life
113th
161st
515th
167th
61st
146th
Gijswijt’s Sequence
22nd
144th
178th
6th
39th
Gray Code Decoder
65th
97th
16th
86th
40th
163rd
Gray Code Encoder
125th
113th
187th
234th
30th
56th
Happy Numbers
1,114th
308th114th
78th
193rd
503rd
371st585th435th1,031st631st
611th
451st156th
6th
35th798th
780th
2,076th
Happy Numbers (Long)
526th
66th
68th
560th
135th
129th360th
3rd
479th
Hexdump
15th
213th
85th
3rd
60th
Hilbert Curve
8th
144th
94th
13th
6th
Intersection
48th
258th
127th
15th
19th
Inventory Sequence
774th
77th
474th
170th
293rd
43rd
369th
ISBN
47th
432nd
181st
6th
527th
Jacobi Symbol
59th
219th
16th
147th
56th
233rd
Kaprekar Numbers
155th
79th
103rd
114th
262nd
18th
34th
63rd
57th
Kolakoski Constant
178th
12th
117th
230th
65th
22nd
4th
Kolakoski Sequence
78th
242nd
109th
1st270th
31st
45th
Leap Years
1,168th
661st
471st1,840th
340th1,830th56th
2,255th
230th
519th998th
354th
78th
504th
11th
183rd
683rd
1,451st
Levenshtein Distance
350th
147th
73rd193rd
58th
360th
263rd
18th
6th
3rd
Leyland Numbers
82nd
257th
210th
4th
308th
ln 2
156th
260th
81st
253rd
3rd
28th
77th
Look and Say
333rd
70th
344th
238th
469th
197th
79th
Lucky Numbers
76th
478th
284th
13th
294th
Lucky Tickets
97th
49th
219th
38th
135th
9th
205th
Mahjong
20th
118th
42nd
36th
71st
Mandelbrot
40th
14th
29th
113th
126th
95th
3rd
11th
Maze
44th
222nd
224th
23rd
158th
Medal Tally
29th
271st
59th
3rd
265th
Minesweeper
10th
30th
139th
17th
64th
Morse Decoder
15th
44th
51st
2nd
110th
Morse Encoder
41st
63rd
111th
25th
6th
Multitap Input
18th
21st
53rd
9th
3rd
Musical Chords
28th
91st
31st
18th
89th
N Queens
54th
183rd
48th
22nd
86th
Niven Numbers
1,074th1,375th1,856th1,528th1,191st578th3,389th232nd953rd449th1,072nd
1,305th388th1,933rd293rd875th758th785th1,340th
1,451st2,346th1,433rd
716th1,796th1,528th337th
2,063rd642nd77th1,521st1,162nd464th660th366th551st1,029th1,342nd1,604th683rd1,579th
8th594th59th1,603rd199th408th1,178th1,752nd2,377th1,006th802nd
1,391st3,823rd735th
Niven Numbers (Long)
1,803rd1,668th514th425th
797th219th769th812th
192nd1,384th152nd1,269th778th1,568th748th
400th1,660th876th
758th1,074th
910th
724th57th
171st2nd425th674th418th628th775th257th1,608th
34th1,014th21st
73rd298th874th
772nd384th909th
857th
1,254th
Number Spiral
147th
169th
946th
126th
91st
177th
Odious Numbers
2,503rd
2,137th1,665th
611th680th709th646th
774th500th355th241st1,292nd457th876th
1,019th2,817th
1,150th589th1,206th842nd1,659th156th
535th387th2,155th2,076th1st640th
48th1,954th2,031st
195th1,032nd560th567th
2,319th
Odious Numbers (Long)
1,618th
649th1,003rd
624th327th498th341st
224th307th212th636th355th
287th1,460th
508th938th693rd
135th
394th242nd
1,400th1st541st
46th1,262nd1,387th
839th687th484th
932nd
Ordinal Numbers
837th
299th
322nd
166th
988th
46th
667th
256th
211th
198th
185th2nd
PalindromemordnilaP
217th
46th
183rd
292nd
108th
64th
194th
134th
27th
11th
39th
19th
Pangram Grep
739th
280th
115th
366th915th
1,571st
1,213th
296th
56th722nd533rd
248th
713th
1,414th
9th322nd648th
349th718th
Partition Numbers
218th384th240th87th825th246th120th260th65th349th724th19th371st86th155th223rd245th
357th
351st204th106th153rd187th279th
192nd159th49th
432nd
99th76th101st180th161st68th212th31st
6th487th
34th91st358th
118th128th
114th
174th
Pascal’s Triangle
748th
124th
503rd
902nd
194th
1st
586th236th
117th327th
415th555th
53rd149th647th
441st
Pernicious Numbers
1,004th1,759th611th1,365th798th466th2,707th275th355th562nd909th1,301st1,077th338th1,255th251st820th685th753rd1,023rd
1,145th998th1,137th1,161st705th1st1,176th1,604th127th1,409th480th177th1,376th785th556th742nd412th516th893rd840th223rd302nd153rd
42nd677th113th
217th436th1,043rd1,198th1,776th394th599th
925th2,999th653rd
Pernicious Numbers (Long)
469th
214th
186th278th300th316th685th
121st655th73rd401st260th529th
141st1,031st
447th368th119th170th676th1st706th286th84th
227th1st228th181st244th365th
414th
39th
305th199th513th
Poker
10th
57th
71st
9th
34th
Polyominoes
74th
133rd
114th
85th
118th
Prime Numbers
1,373rd2,287th
1,235th4,515th
1,568th581st
990th431st
443rd
620th930th
253rd
1,199th2,048th1,156th660th338th1st
180th
1,934th1st616th393rd1,661st
324th
122nd
226th
242nd415th
728th
Prime Numbers (Long)
1,107th
1,249th1,266th
406th
500th
869th
177th
1,261st1,161st650th
1st
203rd
1,000th1st573rd
112th
899th
335th455th
Proximity Grid
41st
179th
187th
26th
66th
QR Decoder
51st
140th
210th
29th
75th
Quine
1st5,493rd
4,186th281st
1,538th
3,143rd3,002nd
2,705th663rd2,680th1,943rd2,044th1,823rd
4,048th628th
1,653rd154th2,064th746th2,008th2,806th1,613th250th1,729th1,477th
2,488th1,351st3,138th1,958th1,800th559th
1,896th171st
616th
485th3,606th1,932nd
1,848th
3,424th
3,865th
Recamán
65th
375th
188th
6th
488th
Repeating Decimals
40th
71st
85th
14th
37th
Reverse Polish Notation
85th
341st
356th
1st
170th
54th
550th
Reversi
16th
38th
57th
47th
4th
Rijndael S-box
241st
85th
233rd
247th
136th
67th
72nd
Rock-paper-scissors-Spock-lizard
13th
162nd
178th
3rd
190th
Roman to Arabic
101st
139th
72nd
347th
23rd2nd
194th
ROT13
776th
136th
176th
756th
419th
674th
56th
11th
103rd
45th
Rule 110
25th
31st
469th
5th
13th
Scrambled Sort
66th
172nd
232nd
28th
45th
Set
125th
35th
133rd172nd212th
143rd
73rd
58th113th
2nd
140th
Seven Segment
337th
39th
106th
77th
5th
241st
SI Units
95th
20th
40th
120th
9th
Sierpiński Triangle
990th140th
334th
610th
7th
319th
Smith Numbers
110th
147th
118th
43rd
37th
Spelling Numbers
125th1st237th
200th
104th
280th
Star Wars GPT
22nd
68th
48th
159th
143rd
5th
67th
Star Wars Opening Crawl
25th
40th
71st
27th
12th
Sudoku
43rd
236th
62nd
28th
65th
Sudoku (Fill-in)
10th
161st
136th
12th
36th
Ten-pin Bowling
99th
198th
250th
62nd
114th
115th
Tic-tac-toe
89th
65th
146th
25th
81st
268th
37th
68th
4th
182nd
Time Distance
35th
150th
76th
30th
156th
Tongue-twisters
282nd45th
255th
46th
408th
32nd415th
28th
1,068th
Topological Sort
55th
23rd
97th
27th
6th
Tower of Hanoi
695th
76th427th
64th266th222nd150th
29th
60th
161st
477th
206th21st42nd
184th22nd
90th45th
438th
186th56th
13th
33rd351st
Transpose Sentence
70th
108th
1st
219th
308th
42nd
65th
Trinomial Triangle
51st
155th
325th
145th
13th
158th
United States
235th
138th
164th
119th9th
242nd
Vampire Numbers
17th
288th
222nd
37th
7th
Van Eck Sequence
100th
395th
247th
13th
62nd
Zeckendorf Representation
26th
233rd
209th
14th
12th
Zodiac Signs
28th
98th
76th
8th
134th
γ
65th
305th52nd
144th
78th93rd
73rd
1st
112th
48th
50th
λ
131st
377th
198th
108th
213th
283rd
π
1,068th
635th
582nd330th
142nd
639th
589th
604th827th
336th
7th
233rd
163rd
83rd
332nd
τ
230th
119th
582nd
538th
684th
272nd
15th
203rd
129th
61st
331st
φ
347th
184th695th261st
743rd
236th
128th
69th
310th
46th
13th
113th
√2
412th
213th
381st
329th
243rd
145th
299th
115th
4th
384th
𝑒
386th
217th
291st
184th
121st
354th
248th
20th
1,187th
175th