12 Days of Christmas
29th
1,260th144th
257th
498th
77th
1,176th
611th
24 Game
12th
131st
16th
9th
28th10th
5th73rd
99 Bottles of Beer
514th
372nd
1,098th
93rd
39th7th
148th
191st
Abundant Numbers
456th
1,134th
913th98th
201st839th657th
314th
312th381st1,729th1,054th2,309th
865th532nd42nd
297th
310th352nd16th75th1,231st2,306th295th
256th
280th
318th291st161st505th90th418th
1,407th
904th
1,097th
Abundant Numbers (Long)
751st
286th324th
804th300th707th261st253rd
263rd887th64th434th238th372nd458th747th472nd
409th710th80th
194th394th227th276th29th4th208th422nd703rd
1,165th593rd284th845th56th350th117th
373rd105th
538th184th
825th
326th
Arabic to Roman
191st
125th
543rd12th236th185th190th
62nd
158th
200th
371st259th473rd
215th
231st201st416th382nd
113th2nd
268th
86th
165th421st
Arithmetic Numbers
365th
102nd
153rd211th
80th
276th
123rd
112th192nd5th
28th
353rd
15th53rd
217th
290th
Arrows
200th
232nd209th183rd62nd334th
17th
140th129th
111th
126th
154th135th
46th
112th
37th
6th
54th
104th
Ascending Primes
77th
124th56th128th102nd
149th42nd
152nd138th97th
113th
169th
74th33rd
17th
132nd
8th
40th
88th
ASCII Table
175th
79th861st201st
80th
17th
132nd55th
66th
106th236th438th
87th
141st
2nd62nd
41st
brainfuck
270th91st
506th
301st
368th
99th
33rd114th
213th
Catalan Numbers
298th469th243rd663rd
156th
254th486th598th426th312th
342nd183rd
167th
368th111th
158th
739th
584th
375th404th26th
707th474th92nd
593rd
452nd
Catalan’s Constant
266th
107th219th
175th
2nd
130th
127th521st
Christmas Trees
623rd
112th175th
280th
80th
331st
186th
5th205th
78th
182nd
44th116th
187th411th88th177th310th
128th
108th
Collatz
376th853rd411th226th
700th
206th307th
197th
313th293rd573rd685th
932nd480th
269th
4th184th587th820th290th278th835th
504th
65th486th132nd266th202nd650th96th
668th
506th706th1,216th
224th
CSS Colors
267th
113th
192nd219th167th201st
78th
128th
2nd
32nd245th54th
141st
104th
145th165th
Cubes
339th
74th
322nd
305th
130th
Day of Week
219th
494th
207th148th334th380th433rd
186th
364th475th410th376th402nd275th
294th601st
481st245th76th267th976th
347th286th532nd456th
168th1st587th54th175th383rd
132nd
387th525th
DFA Simulator
18th
30th
21st
28th
Diamonds
211th
131st
171st
68th
341st
25th
76th73rd
130th
124th215th13th243rd36th
81st134th387th
35th
12th
57th141st70th
253rd
Divisors
1,093rd2,125th805th686th
961st156th1,292nd641st771st
630th
355th
762nd697th719th2,620th899th
933rd
181st
2,477th711th325th119th1,270th1,670th174th243rd800th1,283rd1,108th1,004th1,491st337th1,256th30th230th1,125th1,487th865th272nd1,330th
1,544th846th925th
858th
Emirp Numbers
49th
333rd77th206th402nd
161st141st100th562nd348th
181st
107th22nd201st
1st317th
12th120th261st153rd59th
416th680th
788th
69th175th661st
Emirp Numbers (Long)
360th320th284th
175th
332nd
112th
288th148th168th
239th
193rd
264th313th
323rd1st
190th
425th
27th
46th
56th
Emojify
38th
116th86th
27th
90th68th73rd
162nd20th
219th
4th
245th
250th
Evil Numbers
921st541st2,056th499th
428th314th669th475th547th632nd344th456th322nd918th518th1,065th910th446th2,058th
487th
337th
154th373rd360th148th440th301st1st350th375th672nd590th760th294th860th508th41st931st1,117th1,645th364th332nd675th601st1,034th948th542nd1,754th443rd549th1,698th
Evil Numbers (Long)
707th657th622nd373rd
210th239th251st275th405th1,370th234th305th222nd453rd327th589th587th461st701st
341st
682nd
69th458th300th90th871st1,162nd1st424th
688th896th519th377th204th389th37th846th1,104th
712th
503rd
322nd432nd
401st498th592nd
Factorial Factorisation
74th180th90th
98th
140th
171st
94th
30th
27th
52nd
7th
Farey Sequence
248th312th
95th
162nd80th125th69th113th
44th
154th116th171st
115th
175th28th149th
137th
211th228th103rd
6th
139th
Fibonacci
3,919th1,914th2,192nd1,979th1,616th
626th366th563rd2,152nd2,897th2,599th720th
317th1,737th997th1,880th2,570th1,602nd1,017th3,596th666th1st336th
2,503rd531st183rd1,786th401st1,718th436th2,279th1,926th2,480th1,784th311th1,588th1,688th51st3,289th43rd1,899th927th777th2,165th
2,211th1,815th1,886th2,742nd806th2,124th3,490th
Fizz Buzz
4,766th855th580th
1,246th9,673rd1,221st524th734th1,325th1,544th
1,402nd1,232nd2,985th1,398th1,663rd1,683rd2,213th2,906th2,228th
1,244th5,131st764th6,633rd7,591st1,346th600th18th794th1,652nd4,413th729th3,581st1,691st
4,216th436th383rd5,068th3rd1,256th416th4,913th2,817th1,782nd2,030th3,147th2,781st760th1,340th
1,890th1,331st
Foo Fizz Buzz Bar
182nd756th
346th
261st
386th283rd
1,157th444th327th275th367th226th566th
580th
208th493rd161st
229th213th278th168th166th776th205th
423rd
1,305th108th308th1,084th2nd180th87th593rd190th
749th
285th500th
368th
Forsyth–Edwards Notation
233rd203rd
64th
68th
62nd
116th87th
120th
171st114th195th228th
80th
163rd
21st
66th
25th
181st
240th
Fractions
216th
206th
181st307th292nd
673rd
303rd317th453rd
196th537th268th
420th145th102nd
139th
734th327th
256th
242nd
9th
Game of Life
88th67th
130th
66th50th
303rd
133rd
111th42nd90th
141st
144th
3rd
68th32nd52nd206th1st62nd
105th
43rd38th
136th57th
12th
76th
171st
Gijswijt’s Sequence
47th
99th
164th
162nd
42nd
199th
186th
Happy Numbers
160th
589th
805th71st731st211th136th225th93rd
65th
185th170th596th378th
206th
304th
190th141st275th302nd52nd278th323rd331st223rd
860th118th37th124th5th180th
22nd217th
631st
86th265th839th
200th
Happy Numbers (Long)
89th
233rd
380th81st
111th221st
239th300th58th211th203rd276th295th
384th152nd453rd120th
278th166th33rd111th97th2nd512th
340th
757th271st
43rd259th417th532nd588th
280th310th
260th
Hexdump
113th
13th
82nd110th
656th
80th125th
12th
3rd
70th
Intersection
181st87th
507th
250th126th104th
82nd
72nd
61st
255th45th111th
39th
176th
19th81st
400th
132nd
Inventory Sequence
160th246th248th97th
168th159th134th
588th
106th
32nd182nd172nd204th245th
148th20th172nd
243rd164th111th105th242nd6th88th142nd200th
299th35th285th
15th91st334th
24th
156th
ISBN
76th
220th
175th
113th176th
641st344th
301st168th386th
154th
209th91st21st320th61st14th124th
581st167th
483rd40th163rd122nd351st448th
Jacobi Symbol
17th
Kolakoski Constant
158th
176th
236th
143rd49th
173rd
126th
28th
88th
167th
Kolakoski Sequence
253rd49th
206th
446th188th349th
88th
126th362nd337th340th470th
240th
106th
97th
220th135th345th330th1st167th
359th
175th94th
33rd638th
41st
543rd
433rd
Leap Years
794th1,068th
221st
572nd598th282nd269th410th2,643rd715th595th96th389th300th175th591st838th
523rd
199th
560th296th30th372nd215th
399th702nd1,532nd1,778th744th353rd11th
164th807th
643rd485th660th
1,616th482nd480th2,205th789th274th
Levenshtein Distance
211th
73rd150th
224th
109th
209th
356th
160th
231st297th
27th
166th
4th
138th
Leyland Numbers
69th
316th148th
304th
335th153rd
201st
103rd
427th
4th
428th
295th
ln 2
280th
190th
115th
217th279th
169th
145th
59th
218th
3rd207th336th
26th
134th
Look and Say
119th145th
383rd
100th
255th132nd
214th
273rd
19th
306th
47th
329th130th57th
185th
Lucky Numbers
140th
193rd
262nd
242nd
237th
282nd
337th
17th246th
Lucky Tickets
97th
52nd112th
32nd
124th150th95th
72nd
22nd
143rd
131st
51st
7th171st
161st
69th
Mahjong
35th
83rd
Maze
87th
Medal Tally
56th
81st
89th
158th
40th
Morse Decoder
21st
10th
42nd54th43rd29th
86th30th
19th
25th
5th
232nd
77th
Morse Encoder
60th131st68th30th242nd
58th
104th116th50th
133rd18th
103rd
10th
249th
Musical Chords
122nd
N Queens
14th
183rd
12th
100th
38th
91st16th
56th
Niven Numbers
2,191st878th925th1,014th514th
207th760th420th508th1,542nd992nd305th1,476th226th820th617th731st1,076th901st1,983rd1,174th602nd1,457th261st
530th453rd54th1,241st222nd349th283rd477th889th1,098th170th553rd162nd748th8th502nd38th
1,660th326th1,133rd1,419th1,842nd804th663rd2,398th1,158th638th1,507th
Niven Numbers (Long)
385th
410th306th
157th274th304th397th493rd883rd402nd1,169th116th417th638th778th371st484th525th721st614th862nd222nd
298th577th81st599th132nd2nd536th324th514th519th94th686th204th392nd101st388th18th709th44th
593rd319th333rd
1,082nd712th
Number Spiral
58th
41st
56th
420th71st
66th
96th
60th
74th171st
139th
165th172nd
Odious Numbers
921st631st1,586th451st
191st465th588th565th447th545th237th305th213th886th424th826th1,314th676th1,876th
402nd
229th
117th279th270th205th301st200th1st233rd281st544th469th1,079th666th719th381st39th1,055th837th1,884th530th247th639th498th1,318th867th400th1,568th298th456th1,569th
Odious Numbers (Long)
1,143rd729th563rd303rd
170th195th225th291st369th1,187th187th261st174th496th307th569th644th425th656th
352nd
520th
100th414th329th125th812th1,112th1st391st
709th580th608th747th160th339th37th1,009th1,015th
663rd
513th
297th389th
364th473rd532nd
Ordinal Numbers
399th
417th
344th614th
250th291st
123rd
177th320th419th403rd
868th
428th372nd39th270th247th
183rd
450th
133rd522nd
144th266th96th
205th
106th2nd
255th
PalindromemordnilaP
37th
270th
Pangram Grep
398th
235th399th
475th
303rd652nd572nd95th313th601st
216th120th
592nd
40th192nd265th254th336th150th535th
537th
573rd29th380th204th
171st
636th
Pascal’s Triangle
725th
309th300th
697th
318th539th
101st
465th478th323rd802nd448th
289th
407th
1st547th
278th192nd550th1st140th
398th291st298th173rd
40th113th54th486th355th
402nd
797th
630th
Pernicious Numbers
480th910th654th434th
382nd306th460th409th683rd790th267th993rd199th698th595th631st581st870th749th912th526th1st627th
94th398th555th140th888th233rd344th284th413th755th684th177th243rd119th617th29th497th81st1,430th348th361st831st948th1,022nd331st449th1,525th579th503rd892nd
Pernicious Numbers (Long)
739th602nd
655th
608th209th378th
330th688th86th449th55th351st519th376th481st164th513th341st512th84th486th
36th583rd238th530th370th96th68th707th256th630th358th501st399th33rd245th13th247th448th
274th174th310th
143rd200th
314th
Poker
12th
93rd
Polyominoes
36th
52nd
29th
21st
72nd
46th
7th
5th
Prime Numbers
1,011th
586th
951st
1,152nd531st569th633rd394th
748th551st1,424th207th
916th
268th
1st518th324th141st507th507th1st306th
1,372nd
258th
469th100th412th180th805th1,057th
594th1,506th
1,042nd1,681st1,590th543rd
Prime Numbers (Long)
1,031st
490th
622nd638th673rd470th526th991st318th
517th561st665th754th535th136th864th
503rd
755th
1st505th688th158th482nd294th1st403rd497th746th
635th
91st311th702nd822nd259th360th
770th1,010th
455th
Proximity Grid
79th
53rd
30th
74th69th83rd44th
118th
51st169th108th19th
59th
11th130th
12th66th
4th
QR Decoder
51st
78th111th88th28th
222nd
93rd83rd
102nd21st
30th
66th
208th
Quine
1st1,720th241st3,209th2,651st2,022nd3,809th1,369th3,771st2,802nd1,860th4,492nd1,882nd600th2,936th1,813th2,733rd1,761st2,589th2,998th575th2,446th
145th1,198th2,013th543rd1,855th1,483rd214th1,590th1,313th1st1,221st1,654th1,823rd1,740th495th2,825th3,313th1,794th160th4,244th543rd2,285th428th1,425th1,908th3,156th1,689th3,119th1,669th
3,573rd
1,888th
Recamán
102nd
251st
344th
332nd
80th
271st203rd328th199th
422nd
44th279th478th
124th
284th
6th406th
109th
Repeating Decimals
33rd
28th
13th
4th
11th
Reverse Polish Notation
244th
168th167th
216th
213th
218th
85th239th
1st114th
57th
120th
190th
145th
65th
349th386th
176th
Reversi
26th39th
20th
28th66th61st
64th16th
143rd
5th
10th
Rijndael S-box
63rd
12th
127th
105th
83rd
202nd
98th
59th
104th
45th
26th
373rd
Rock-paper-scissors-Spock-lizard
27th66th
397th
84th443rd
7th285th
165th
437th
189th
Roman to Arabic
184th
134th180th
72nd304th90th177th151st207th281st49th
203rd
290th
227th
169th143rd
161st
275th97th426th
216th13th2nd
258th
249th
191st
Rule 110
65th
68th
35th107th264th
50th
219th79th
248th
41st
24th
254th
Seven Segment
94th
49th84th
37th
137th
138th67th118th
104th71st
142nd
130th132nd117th
198th19th73rd
215th
66th
SI Units
2nd
20th
89th
Sierpiński Triangle
74th
57th
26th95th79th87th
159th
34th126th122nd108th
199th
160th155th11th
163rd
217th38th54th
23rd108th
147th
172nd
241st
224th69th
Smith Numbers
81st
402nd
79th
80th
91st
Spelling Numbers
88th
51st1st
77th
Star Wars Opening Crawl
227th
144th
235th
Sudoku
36th
226th
59th
34th
96th
Sudoku (Fill-in)
60th
185th
27th
71st16th
50th
11th
Ten-pin Bowling
23rd68th
20th
62nd61st34th
44th17th
187th48th
15th
4th
27th
Time Distance
29th
17th
70th
8th
15th
310th
Tongue-twisters
488th
92nd
172nd
Transpose Sentence
375th
227th
75th
146th247th170th
157th1st97th
137th159th60th115th49th124th
232nd
255th
30th
301st
47th129th
United States
232nd
318th75th95th
129th
119th140th107th88th
53rd112th51st
159th147th
297th209th
31st12th
211th
153rd
Vampire Numbers
296th
326th
330th
Van Eck Sequence
323rd
170th
174th485th
81st
389th304th
180th
29th197th
227th
400th
367th205th380th
10th
138th445th47th
Zeckendorf Representation
173rd
68th89th
127th
122nd
82nd19th
145th
155th
9th
14th218th28th
136th
Zodiac Signs
91st
49th
170th
321st
203rd
249th
67th
129th
13th
51st
62nd
γ
410th
220th
1st
167th
138th
225th
λ
290th
576th
132nd
630th
π
192nd
236th400th
393rd86th
224th323rd299th
459th
238th
7th
177th
131st433rd
66th
τ
176th
154th375th
358th288th
225th275th257th
134th
7th
166th
90th413th
51st
φ
299th
379th
236th352nd
163rd415th
400th315th351st
609th200th
149th
110th
72nd
251st
36th556th395th410th12th
367th
57th
761st
√2
364th
277th259th
165th595th
438th367th378th
233rd
197th
336th152nd
108th
296th
80th286th413th536th4th
574th144th
696th
𝑒
479th
295th
403rd
365th301st250th
169th
259th333rd269th
374th
158th
134th
16th
236th
182nd438th286th
59th
128th