12 Days of Christmas
225th79th107th106th911th284th35th
220th
150th710th
734th513th57th511th
273rd10th
445th975th156th787th
420th36th1,454th
69th38th
59th533rd
67th
1,136th171st
24 Game
118th51st89th109th208th
15th
21st
16th
191st10th
57th
36th
14th
7th95th
99 Bottles of Beer
260th79th146th54th344th35th118th
166th
94th173rd
269th486th55th
36th6th
304th
906th
132nd69th
165th
97th
Abundant Numbers
422nd2,016th284th637th110th416th214th217th108th
80th434th198th
824th
323rd575th304th46th
1,884th41st138th205th18th82nd328th99th585th940th1,480th640th732nd305th674th5th147th426th102nd255th2,464th126th
1,109th425th
Abundant Numbers (Long)
871st345th411th939th355th823rd191st278th85th
75th566th307th
512th847th
89th
231st573rd156th336th35th3rd422nd226th494th
703rd
63rd116th380th463rd125th
247th
559th395th
Arabic to Roman
234th
302nd
541st
185th137th199th17th
268th221st
69th
354th67th
236th
443rd
153rd2nd
359th
318th
Arithmetic Numbers
325th570th323rd289th123rd199th187th
66th
73rd224th217th
208th
232nd
129th201st6th
300th
263rd636th
292nd
16th38th
27th
347th
418th569th
Arrows
632nd170th204th275th201st176th78th
18th
175th133rd335th
136th
108th
194th26th103rd
195th
183rd
74th
6th
162nd
125th123rd
Ascending Primes
245th138th95th121st57th146th115th
52nd
182nd143rd112th
124th
213th
61st40th
209th
299th
287th
12th
46th269th
100th
128th197th
ASCII Table
242nd195th92nd291st78th246th223rd82nd22nd
187th191st60th
67th
132nd
155th63rd111th
225th
2nd
146th45th140th
334th
219th245th
Billiards
154th147th73rd151st167th127th29th
82nd
74th
117th
43rd21st
182nd
100th
146th
116th
brainfuck
424th
101st605th
386th304th
57th
224th
425th10th
24th
Card Number Validation
118th174th80th329th
346th144th
406th
297th343rd
163rd
70th
216th14th
105th
280th
202nd176th
30th
86th
248th158th
Catalan Numbers
709th
285th594th276th
183rd
293rd385th654th
353rd
583rd441st274th213th196th
336th135th
186th
710th
30th
112th
515th
873rd
Catalan’s Constant
217th
130th
168th
159th
170th
126th
88th
270th191st
3rd
91st
149th
145th89th
103rd
165th
111th
Christmas Trees
433rd
124th
394th
125th
304th
82nd366th
363rd
174th
317th6th219th271st
270th76th364th
134th
208th306th93rd341st373rd
668th
131st113th
Collatz
406th467th257th584th110th356th248th
224th
336th463rd
469th
311th549th
144th4th211th676th
984th451st299th
989th69th
169th276th611th138th446th
556th
907th1,358th
CSS Colors
217th135th165th174th
220th233rd
85th
239th
227th
143rd
188th
194th88th
2nd
117th38th
125th
119th489th
365th
Cubes
95th42nd43rd
76th
122nd
55th
230th351st62nd
269th73rd
164th
210th
128th
161st
Day of Week
299th779th603rd265th181st410th473rd619th217th
457th532nd492nd444th
315th
330th
396th
543rd254th99th349th
625th
378th
559th
207th1st
60th241st476th163rd611th
713th
651st647th
DFA Simulator
213th
155th
28th
336th141st
19th
Diamonds
56th107th92nd523rd186th518th76th
47th
345th85th
240th
114th
167th17th
40th
208th
36th
15th
153rd
121st
Divisors
1,218th881st786th1,070th187th1,399th692nd841st697th
400th1,994th802nd760th790th
871st1,040th
2,120th207th
769th197th145th395th
1,086th267th1,059th1,667th1,113th1,129th1,955th380th
35th300th1,244th967th316th
686th
1,249th924th
Emirp Numbers
388th
645th447th58th754th245th93rd440th
175th148th112th1,014th374th
200th
92nd
88th461st1,044th
1st
19th128th260th162nd353rd453rd745th887th75th
566th
Emirp Numbers (Long)
542nd387th388th465th381st410th317th
70th
414th
281st
365th378th
1st
27th
52nd59th
406th
Emojify
103rd
114th168th
190th134th
29th
39th100th
354th
207th
184th22nd203rd
261st
4th
109th
Evil Numbers
1,048th2,264th597th384th342nd694th550th562nd388th444th360th633rd582nd1,178th998th484th
556th
636th379th183rd416th358th176th439th336th1st560th395th434th715th640th814th329th979th570th44th1,056th1,872nd409th372nd668th404th618th480th608th
Evil Numbers (Long)
816th712th436th231st276th289th342nd395th270th351st256th532nd374th
325th
407th
480th790th77th539th309th99th
1,378th1st834th490th815th794th
722nd473rd245th423rd40th989th1,696th824th618th
389th511th482nd632nd
Factorial Factorisation
50th175th202nd168th141st112th73rd
129th
117th173rd
211th
74th
106th27th164th
38th
89th
9th
225th
Farey Sequence
299th249th118th199th98th138th83rd
49th
270th184th130th162nd
220th
149th
106th29th
388th231st351st204th260th
326th
3rd
465th225th
167th
230th272nd
Fibonacci
2,148th2,187th1,160th752nd427th615th2,359th
801st
378th1,823rd1,064th1,980th
1,146th945th717th1st2,111th395th5,229th
468th221st1,969th488th
2,383rd502nd2,457th2,120th2,648th2,607th1,039th1,804th1,787th55th3,561st46th1,089th696th
2,028th2,047th913th2,947th
Fizz Buzz
755th2,758th1,165th477th1,986th736th1,197th1,290th725th1,141st3,251st1,280th1,575th1,746th
2,033rd1,641st4,335th1,284th657th
1,212th573rd23rd691st1,562nd4,383rd1,294th637th3,702nd1,586th6,691st4,180th496th420th
3rd1,161st456th2,655th1,804th
665th1,209th1,748th1,217th
Foo Fizz Buzz Bar
218th734th416th982nd706th748th437th
115th
371st298th463rd
318th110th302nd194th
128th337th201st681st762nd
1,206th
1,512th130th376th
2nd200th105th321st
313th612th
994th
Forsyth–Edwards Notation
81st308th162nd355th
313th74th
128th
125th
246th
153rd21st178th
86th
28th
Fractions
235th521st331st227th649th189th358th242nd137th
325th
212th
449th
159th114th
165th
531st
755th
88th
10th696th
329th
685th
Game of Life
145th238th211th
231st
106th
134th
310th
51st43rd
127th2nd
194th
69th98th
113th
Gijswijt’s Sequence
173rd89th66th
255th
209th
85th
227th81st
134th
284th276th
262nd
199th
320th
46th
127th
91st73rd
Happy Numbers
187th351st683rd908th94th463rd244th150th109th
76th231st202nd176th685th440th
258th401st171st341st
926th129th305th574th65th309th820th
251st
994th148th49th157th6th207th
31st764th714th87th
1,116th839th
Happy Numbers (Long)
95th510th260th365th88th371st126th
197th
62nd203rd199th
150th517th232nd138th
110th35th126th117th2nd541st604th
854th289th
31st
498th
305th
538th
Hexdump
319th277th121st326th
408th157th
14th
163rd
205th109th
3rd
91st
Hilbert Curve
14th
90th
Intersection
491st348th304th441st151st432nd217th
63rd
265th
83rd
156th76th
48th24th143rd
34th
233rd
326th
Inventory Sequence
203rd338th124th130th200th149th572nd
40th
43rd233rd
193rd
346th
114th161st
7th
100th139th
83rd
18th
26th
ISBN
73rd524th182nd493rd396th478th125th
296th
336th190th
151st
445th
319th
89th22nd
60th
169th
47th176th
549th
Jacobi Symbol
333rd
221st255th280th235th166th
246th
17th
104th
173rd140th
223rd
Kaprekar Numbers
184th84th38th29th34th30th70th
63rd65th
108th
53rd6th
93rd
192nd
47th
95th201st
Kolakoski Constant
118th83rd117th
108th54th120th
27th
228th
163rd
161st128th
215th
81st
68th
89th157th
64th
84th
Kolakoski Sequence
278th509th249th424th215th345th722nd
75th
115th259th332nd
252nd
256th86th102nd
132nd136th
318th1st
187th
196th82nd
59th
40th179th
435th
420th228th
Leap Years
839th1,865th207th424th344th258th234th410th550th
108th413th326th195th630th222nd
877th
339th239th
335th35th440th312th
528th449th765th1,712th1,260th812th407th13th350th186th650th2,955th703rd1,099th
544th533rd849th318th
Levenshtein Distance
191st462nd299th
256th
144th
103rd166th
87th
461st
475th177th
246th
35th
4th192nd
20th
197th
161st
Leyland Numbers
557th
341st
135th
79th
519th
252nd
166th
474th94th117th
255th
4th180th
503rd
313th
ln 2
244th
262nd415th315th436th228th
143rd
325th
198th
389th178th
71st
3rd253rd
27th237th
166th270th
276th
280th
Look and Say
731st194th800th
669th127th
434th
103rd400th
355th237th
538th20th244th
361st
51st560th
378th
154th
Lucky Numbers
494th
502nd
269th
98th
529th
164th
451st301st
485th
396th
32nd296th
Lucky Tickets
120th
373rd
69th
45th
179th
264th
142nd
251st34th
8th
231st
229th
Mahjong
19th
111th43rd
104th
Mandelbrot
46th109th70th142nd76th223rd134th
101st
39th124th87th
257th
104th37th
50th107th
56th
47th
25th
113th
Maze
92nd
262nd
244th103rd
69th
Medal Tally
181st
162nd
310th
118th
101st
278th
173rd68th170th
31st
Minesweeper
85th95th48th
34th
14th
119th
91st9th
18th
Morse Decoder
87th
95th
28th
13th
162nd62nd
38th
65th20th
3rd
117th
88th
Morse Encoder
81st139th84th
198th
38th
80th
108th
112th
40th
151st17th
153rd
12th
27th
88th
Musical Chords
199th116th
68th
239th15th
N Queens
209th230th146th210th225th274th17th
72nd
173rd
178th
199th10th
84th123rd
202nd
211th
25th
133rd
170th
Niven Numbers
602nd1,125th537th239th886th430th587th1,723rd374th
270th866th675th763rd1,188th1,037th2,230th657th1,676th812th312th
599th360th63rd1,426th265th513th729th336th547th984th1,205th198th624th190th777th8th593rd46th180th400th1,795th934th744th1,337th700th
Niven Numbers (Long)
255th483rd381st175th339th353rd282nd
297th
139th475th740th1,091st449th385th604th727th1,018th426th263rd
356th709th55th
157th2nd433rd653rd402nd610th594th113th811th249th456th33rd284th21st70th288th
374th409th819th1,195th
Number Spiral
345th110th65th43rd218th226th192nd
227th
63rd76th
103rd
131st
197th126th
361st122nd
266th
202nd
124th
Odious Numbers
1,079th1,777th470th211th528th634th621st427th264th344th233rd532nd449th853rd1,023rd724th
464th
518th259th139th306th252nd171st328th220th1st431st254th315th600th522nd1,088th584th839th436th42nd1,086th1,517th605th268th548th300th434th340th475th
Odious Numbers (Long)
1,358th611th403rd192nd222nd355th315th366th211th295th199th564th341st
276th
397th
410th606th119th479th256th144th
1,325th1st522nd430th530th785th
894th878th180th377th40th1,191st1,384th777th642nd
335th460th417th605th
Ordinal Numbers
141st566th472nd395th691st423rd292nd328th131st
203rd368th449th
493rd
382nd
453rd44th
652nd211th
154th548th302nd
165th320th105th236th
118th425th
602nd
PalindromemordnilaP
230th407th
271st
146th133rd313th
223rd
169th91st
165th51st103rd
384th
20th190th
10th
36th74th
401st
300th
Pangram Grep
505th554th731st
783rd
279th286th355th
752nd
106th
673rd
645th256th792nd152nd
295th50th
395th
333rd
514th
854th
36th302nd233rd321st678th
Partition Numbers
141st157th303rd324th261st
51st
18th
147th301st
260th
56th
251st38th
174th
165th294th
6th
31st
216th
Pascal’s Triangle
1,151st362nd353rd790th508th650th378th
123rd
1,009th708th
332nd
326th
751st
1st603rd786th343rd227th630th1st836th178th
382nd299th340th453rd
49th139th68th412th900th
280th
555th1,110th
Pernicious Numbers
580th765th459th257th362nd527th555th787th315th
233rd805th688th727th670th920th840th638th1st624th934th118th467th487th167th1,064th305th
735th336th503rd850th823rd209th281st144th715th37th632nd104th445th414th1,137th395th568th876th602nd
Pernicious Numbers (Long)
923rd802nd
731st261st484th579th385th112th
68th424th
132nd
606th
168th
1st
252nd551st
123rd
229th
429th
494th64th439th37th
788th334th181st
198th
Poker
144th
188th
128th
42nd
45th
211th94th
18th
30th
Polyominoes
48th29th
126th129th15th
86th
117th
111th18th
45th
78th
6th
Prime Numbers
1,111th1,606th693rd936th340th1,203rd560th575th397th
843rd1,162nd575th
234th
1,041st1,657th655th311th1st541st336th164th532nd569th1st1,667th363rd1,588th1,801st
298th851st834th514th113th461st208th1,211th864th667th473rd
1,766th615th
Prime Numbers (Long)
1,233rd988th642nd749th778th800th569th585th398th
468th647th769th
667th158th
695th1,068th600th381st1st617th926th184th1,092nd352nd1st604th491st592nd
1,148th1,028th582nd
104th374th812th310th430th
759th
1,023rd552nd
Proximity Grid
107th
115th
88th
122nd74th118th
82nd10th
163rd
37th
12th
QR Decoder
43rd72nd32nd94th116th92nd26th
98th
167th86th
29th
125th18th
25th
75th
131st
Quine
3,382nd2,824th2,444th3,951st1,347th3,908th2,724th1,844th1,919th1,252nd2,910th1,794th2,560th1,714th2,538th2,994th1,508th1,531st528th2,026th1,127th1,863rd1,855th1,408th230th1,748th1,436th459th2,589th1,153rd1,612th1,804th1,634th474th2,796th1,497th1,772nd159th
1,116th1st3,306th
3,094th1,738th3,632nd
Recamán
117th414th283rd323rd227th101st80th
93rd
218th352nd
527th
579th751st
154th50th144th
83rd
412th
5th
127th
408th
492nd
Repeating Decimals
106th
39th
65th
110th195th
13th
4th10th
131st
Reverse Polish Notation
687th
245th
209th
190th
92nd
1st
510th64th
56th240th
471st
Reversi
184th
24th
26th
82nd81st
51st
110th12th
197th
42nd
16th
Rijndael S-box
59th
52nd
198th
126th
32nd
14th
46th
194th96th
80th
65th
69th
Rock-paper-scissors-Spock-lizard
157th104th92nd
34th
70th
124th
47th
264th13th
45th
249th
216th
Roman to Arabic
339th446th396th651st514th664th162nd
89th
113th340th177th
61st
235th
244th
351st208th171st404th
266th428th
122nd497th
18th2nd
302nd415th
213th
167th277th
ROT13
201st248th203rd
491st
197th
535th
385th
117th
450th113th
187th56th
42nd308th
86th
Rule 110
161st196th171st369th
337th97th
21st
26th164th
311th
159th
335th60th239th
92nd
222nd
5th
35th324th
88th
Scrambled Sort
214th
182nd
92nd
Set
185th
148th
70th
Seven Segment
278th158th312th70th244th108th49th
26th
46th279th
136th
117th
205th35th
86th
259th
16th
229th
242nd
SI Units
14th
293rd137th
294th
Sierpiński Triangle
93rd143rd66th30th58th85th99th153rd75th
39th131st138th
193rd
54th
82nd15th98th473rd
233rd178th
237th43rd61st
24th116th
162nd258th
373rd
276th77th
Smith Numbers
277th88th58th294th248th336th49th
160th
261st117th
187th
79th
232nd30th
209th
312th
100th41st
141st
266th
Spelling Numbers
298th
167th
380th
215th94th59th1st
165th
432nd103rd174th
109th
Star Wars GPT
82nd
24th
Star Wars Opening Crawl
31st
13th
45th
205th20th
15th
28th
Sudoku
61st
126th
131st132nd
35th
111th
Sudoku (Fill-in)
28th
64th
81st
72nd
101st12th
76th
5th
Ten-pin Bowling
216th
179th
44th58th30th
34th82nd
49th
77th13th
48th
9th
24th
92nd
Tic-tac-toe
163rd149th
90th
229th
139th
236th
260th
156th32nd
179th
137th
57th
53rd
253rd
Time Distance
105th
83rd295th173rd271st27th
23rd
39th
122nd10th
14th
Tongue-twisters
106th
90th
166th
98th
499th414th
760th105th
85th38th
198th899th
129th
Topological Sort
147th
Transpose Sentence
571st283rd187th
549th
295th
59th
165th
199th
1st396th127th
456th217th118th
36th
66th159th
338th351st
Trinomial Triangle
131st
106th
125th
United States
280th281st
223rd63rd
227th
176th277th
253rd
484th41st
252nd
106th9th
238th
Vampire Numbers
234th133rd289th
426th231st
28th
385th185th
55th
Van Eck Sequence
368th386th200th311th451st210th204th
95th
446th423rd
498th
207th
384th35th
130th
247th
13th
57th622nd
308th
174th
Zeckendorf Representation
56th229th165th224th144th85th113th
57th
192nd342nd
186th
107th
88th25th
269th
164th
11th
55th
153rd
190th
Zodiac Signs
52nd229th103rd202nd
200th94th
89th
48th197th
161st
68th
118th24th
17th
69th
66th
γ
124th113th147th130th
153rd
228th177th
1st
277th
114th
399th
λ
112th88th128th
320th
183rd
214th
81st
172nd155th
294th
241st
210th
503rd
π
214th545th259th395th207th373rd261st
134th
231st
481st233rd141st
437th197th
7th
125th458th
146th502nd
76th216th561st
348th
244th
250th
τ
200th511th258th382nd233rd348th175th
138th
191st
440th148th197th
389th82nd
14th
158th
110th469th
58th196th498th
329th
263rd
248th
φ
347th666th395th402nd342nd586th275th
178th
465th355th
509th707th461st226th167th
478th125th
82nd
283rd
45th631st
364th13th349th421st68th504th
346th
509th
√2
400th717th446th492nd553rd671st327th
195th
496th406th
304th
254th
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