12 Days of Christmas
80th
1,585th253rd
256th
474th
79th
1,266th
611th
24 Game
22nd
178th
32nd
20th
46th17th
5th85th
99 Bottles of Beer
511th
394th
1,164th
99th
42nd7th
155th
202nd
Abundant Numbers
476th
1,205th
973rd105th
214th872nd694th
324th
322nd394th1,824th1,113th2,438th
926th557th43rd
309th
320th361st22nd80th1,301st2,447th305th
269th
294th
330th307th174th
96th437th
1,493rd
960th
1,167th
Abundant Numbers (Long)
812th
317th352nd
873rd323rd763rd287th255th
310th956th68th465th270th382nd496th800th508th
420th779th84th
205th423rd251st300th33rd3rd218th468th766th
1,243rd636th341st1,241st54th404th140th
438th117th
579th224th
869th
355th
Arabic to Roman
206th
135th
592nd14th247th198th191st
64th
169th
230th
423rd280th511th
234th
248th217th460th421st
110th2nd
289th
92nd
202nd463rd
Arithmetic Numbers
391st
112th
164th228th
91st
286th
183rd
127th202nd13th
47th
359th
3rd96th
241st
302nd
Arrows
207th
241st209th192nd60th353rd
18th
136th132nd
119th
135th
157th124th
52nd
122nd
40th
6th
58th
113th
Ascending Primes
84th
132nd54th139th107th
352nd48th
164th144th105th
121st
184th
76th35th
21st
151st
10th
43rd
99th
ASCII Table
197th
84th937th226th
91st
23rd
142nd59th
66th
121st264th473rd
92nd
161st
2nd71st
43rd
brainfuck
276th93rd
523rd
307th
385th
102nd
33rd402nd
218th
Catalan Numbers
326th511th252nd715th
164th
261st530th640th523rd315th
394th193rd
177th
387th120th
167th
816th
642nd
412th437th28th
780th
99th
779th
470th
Catalan’s Constant
286th
110th234th
184th
2nd
128th
141st553rd
Christmas Trees
653rd
118th181st
299th
80th
350th
191st
4th214th
78th
190th
44th123rd
200th428th89th
326th
133rd
110th
Collatz
412th915th456th243rd
758th
233rd342nd
208th
322nd315th589th705th
1,009th530th
291st
4th191st640th879th313th298th913th
543rd
462nd518th131st356th214th
126th
1,755th
544th745th1,275th
251st
CSS Colors
274th
118th
200th226th175th209th
84th
136th
2nd
36th254th58th
143rd
112th
152nd163rd
Cubes
361st
74th
344th
329th
136th
Day of Week
243rd
567th
231st163rd358th413th473rd
217th
398th511th458th404th452nd274th
307th658th
537th422nd84th298th1,069th
375th327th579th505th
186th1st647th57th206th418th
146th
416th570th
DFA Simulator
19th
35th
21st
32nd
Diamonds
221st
135th
180th
75th
354th
28th
85th79th
140th
131st223rd16th251st37th
90th145th407th
43rd
14th
65th
78th
254th
Divisors
1,174th2,201st837th728th
1,019th171st1,357th664th801st
669th
379th
790th741st750th2,755th875th
995th
193rd
2,617th728th343rd129th1,338th1,633rd188th256th854th1,336th1,169th1,073rd1,573rd359th1,317th34th242nd1,204th
931st289th2,648th
1,598th915th989th
897th
Emirp Numbers
58th
386th92nd219th429th
177th148th109th604th367th
196th
117th29th211th
1st334th
15th133rd273rd169th70th
443rd727th
843rd
79th332nd713th
Emirp Numbers (Long)
382nd346th305th
179th
360th
113th
306th152nd171st
248th
199th
278th337th
348th1st
204th
452nd
27th
49th
60th
Emojify
51st
121st100th
28th
94th70th78th
169th21st
230th
4th
261st
264th
Evil Numbers
986th583rd2,170th531st
449th316th693rd520th557th662nd361st461st338th979th560th1,110th939th491st2,161st
517th
349th
160th389th370th154th407th310th1st365th401st715th626th813th303rd916th542nd40th991st1,197th
378th332nd1,049th642nd1,107th1,016th590th1,863rd506th584th1,805th
Evil Numbers (Long)
761st705th663rd388th
219th252nd264th301st414th1,686th246th326th233rd487th345th633rd629th506th742nd
359th
731st
69th493rd319th89th1,029th1,244th1st455th
736th946th556th412th210th414th36th906th1,182nd
770th
849th
392nd478th
449th533rd635th
Factorial Factorisation
80th182nd98th
104th
148th
180th
129th
32nd
29th
57th
8th
Farey Sequence
269th421st
102nd
185th88th123rd73rd151st
45th
157th130th171st
121st
190th29th165th
148th
200th245th99th
4th
153rd
Fibonacci
4,163rd2,044th2,327th2,111th1,710th
683rd390th569th2,296th3,057th2,697th747th
338th1,819th1,031st1,942nd2,728th1,104th909th3,754th727th1st359th
2,634th619th198th1,874th428th1,851st464th2,432nd2,053rd2,559th1,912th332nd1,722nd1,737th53rd3,454th44th
1,053rd843rd4,004th
2,343rd1,964th2,012th2,870th878th2,131st3,692nd
Fizz Buzz
4,887th852nd565th
1,262nd10,001st1,228th2,105th733rd1,319th1,419th
1,416th1,239th2,963rd1,345th1,689th1,688th2,188th2,895th2,202nd
1,227th5,270th761st6,874th7,854th1,340th592nd18th790th1,677th4,507th586th3,565th1,716th
4,308th474th400th5,211th3rd1,642nd435th
2,790th1,761st3,676th3,119th3,387th769th1,962nd
1,870th1,333rd
Foo Fizz Buzz Bar
185th787th
375th
679th
401st292nd
1,220th456th354th271st383rd216th523rd
525th
197th922nd164th
237th221st298th171st170th818th194th
435th
1,364th112th337th1,017th2nd261st93rd
202nd
1,241st
307th502nd
387th
Forsyth–Edwards Notation
257th276th
67th
73rd
66th
183rd94th
133rd
197th121st216th247th
86th
201st
21st
74th
27th
199th
269th
Fractions
227th
220th
182nd325th312th
721st
306th378th448th
206th570th287th
436th158th107th
151st
786th365th
274th
260th
10th
Game of Life
98th67th
143rd
69th49th
334th
149th
125th42nd101st
157th
154th
5th
70th35th57th232nd1st76th
167th
47th116th
152nd85th
16th
84th
194th
Gijswijt’s Sequence
52nd
98th
172nd
169th
189th
220th
Happy Numbers
183rd
643rd
872nd81st795th237th139th250th103rd
71st
197th174th648th420th
220th
329th
210th162nd301st328th58th305th361st366th247th
930th131st42nd145th6th203rd
25th240th
686th
96th287th907th
231st
Happy Numbers (Long)
87th
240th
393rd94th
115th233rd
252nd300th58th199th193rd282nd292nd
398th150th477th131st
286th172nd32nd115th106th2nd540th
356th
795th278th
43rd342nd436th
623rd
292nd321st
263rd
Hexdump
133rd
14th
82nd147th
721st
94th
13th
3rd
83rd
Intersection
199th97th
542nd
259th141st117th
92nd
125th
67th
262nd49th121st
43rd
215th
18th91st
437th
148th
Inventory Sequence
185th273rd275th114th
196th183rd166th
633rd
126th
41st214th201st235th267th
174th25th202nd
254th189th138th125th270th7th105th130th233rd
331st91st319th
18th112th367th
28th
134th
ISBN
70th
230th
191st
118th192nd
686th388th
316th180th409th
184th
217th94th22nd348th57th15th114th
624th207th
522nd45th236th130th
479th
Jacobi Symbol
19th
Kolakoski Constant
162nd
185th
244th
151st46th
176th
127th
27th
89th
174th
Kolakoski Sequence
263rd48th
209th
457th204th343rd
74th
112th356th330th328th542nd
248th
85th
101st
215th125th333rd309th1st168th
353rd
186th81st
58th655th
39th
564th
447th
Leap Years
839th1,098th
200th
607th639th291st283rd392nd2,778th762nd632nd100th394th314th187th624th868th
548th
227th
703rd320th31st418th277th
426th743rd1,593rd1,854th795th381st11th
176th865th
686th523rd1,737th
1,901st537th519th2,337th846th306th
Levenshtein Distance
229th
102nd157th
244th
88th
226th
377th
174th
246th327th
30th
186th
16th
254th
Leyland Numbers
73rd
334th160th
319th
357th172nd
217th
105th
458th
4th
460th
313th
ln 2
311th
202nd
123rd
230th297th
177th
154th
64th
228th
3rd238th365th
26th
140th
Look and Say
120th139th
410th
98th
312th130th
229th
316th
19th
318th
48th
351st135th58th
206th
Lucky Numbers
148th
193rd
296th
271st
267th
321st
381st
34th278th
Lucky Tickets
104th
54th120th
36th
129th154th102nd
74th
23rd
148th
139th
58th
7th182nd
165th
71st
Mahjong
37th
88th
Maze
100th
Medal Tally
57th
96th
95th
205th
40th
Morse Decoder
25th
11th
48th58th49th42nd
97th34th
21st
30th
5th
245th
88th
Morse Encoder
59th138th69th34th250th
63rd
106th119th56th
143rd18th
105th
10th
262nd
Musical Chords
130th
N Queens
15th
216th
12th
109th
118th
104th17th
67th
Niven Numbers
2,332nd932nd986th1,081st546th
222nd817th455th540th1,611th1,031st328th1,544th245th843rd632nd704th1,137th945th2,082nd1,247th662nd1,552nd284th
562nd486th56th1,321st240th378th306th514th957th1,163rd180th583rd172nd802nd8th534th39th
1,773rd352nd1,684th1,517th1,910th877th727th2,548th1,233rd679th1,604th
Niven Numbers (Long)
435th
443rd348th
167th299th334th454th576th1,173rd464th1,243rd128th438th685th846th400th517th563rd780th674th946th238th
320th603rd48th651st145th2nd595th366th554th568th65th748th226th427th112th455th20th
74th
682nd360th374th
1,157th764th
Number Spiral
60th
41st
55th
447th188th
68th
98th
58th
72nd173rd
147th
168th175th
Odious Numbers
995th661st1,673rd455th
193rd493rd612th606th424th583rd258th313th215th942nd429th792nd1,211th711th1,972nd
443rd
233rd
121st291st280th208th309th202nd1st238th294th581st499th1,161st697th772nd411th38th1,121st908th
575th243rd1,104th524th1,397th938th427th1,653rd351st486th1,654th
Odious Numbers (Long)
1,220th785th573rd329th
174th201st231st291st371st1,484th192nd269th181st524th310th605th647th450th697th
360th
558th
104th435th323rd126th879th1,191st1st405th
768th610th648th809th162nd347th36th1,069th1,085th
712th
848th
333rd423rd
419th497th563rd
Ordinal Numbers
422nd
442nd
363rd644th
266th300th
127th
196th335th428th426th
914th
472nd393rd40th293rd260th
189th
460th
145th545th
155th313th97th
215th
110th2nd
337th
PalindromemordnilaP
45th
310th
Pangram Grep
431st
262nd405th
515th
328th694th641st103rd336th668th
242nd139th
670th
46th212th298th287th372nd169th600th
602nd
624th34th432nd97th
202nd
689th
Pascal’s Triangle
783rd
339th298th
742nd
326th576th
116th
498th713th307th858th445th
322nd
435th
1st585th
329th214th593rd1st159th
384th324th350th193rd
44th129th58th
392nd
423rd
917th
676th
Pernicious Numbers
522nd984th719th496th
419th332nd467th441st731st852nd293rd1,071st216th740th625th681st644th932nd770th977th567th1st689th
105th435th593rd151st953rd279th402nd310th446th807th756th191st257th130th669th34th540th92nd
406th378th1,114th1,025th1,102nd364th511th1,601st546th548th957th
Pernicious Numbers (Long)
815th672nd
724th
678th237th429th
368th808th102nd506th61st397th577th418th539th182nd573rd378th576th100th549th
1st647th274th581st420th113th70th777th286th702nd405th564th454th57th272nd35th284th505th
316th192nd484th
175th233rd
355th
Poker
14th
98th
Polyominoes
40th
59th
46th
25th
77th
51st
8th
6th
Prime Numbers
1,077th
628th
1,019th
1,233rd541st587th636th421st
718th570th1,517th221st
982nd
287th
1st512th348th150th492nd535th1st330th
1,458th
275th
499th105th432nd191st
1,143rd
691st1,608th
1,108th1,777th1,693rd590th
Prime Numbers (Long)
1,113th
528th
672nd696th732nd482nd523rd1,046th374th
570th591st720th810th588th144th922nd
542nd
817th
1st558th743rd167th1,010th329th1st439th535th832nd
707th
96th336th759th
392nd
836th1,092nd
499th
Proximity Grid
86th
60th
32nd
82nd73rd92nd43rd
169th
55th198th120th23rd
99th
12th146th
13th78th
5th
QR Decoder
54th
83rd116th95th24th
242nd
98th89th
109th42nd
47th
65th
228th
Quine
1st3,893rd249th2,962nd2,735th2,062nd3,967th1,367th3,923rd2,859th1,856th4,730th1,918th606th2,978th1,832nd
1,688th2,629th3,051st575th
145th684th2,053rd
1,850th1,489th221st1,606th1,425th1st1,258th1,639th1,798th1,742nd513th2,883rd3,384th1,764th161st4,524th564th
442nd3,406th1,842nd3,218th1,709th3,167th1,663rd
3,656th
1,924th
Recamán
108th
262nd
366th
426th
101st
288th216th345th203rd
433rd
49th338th509th
136th
301st
5th502nd
118th
Repeating Decimals
36th
30th
13th
4th
11th
Reverse Polish Notation
314th
195th190th
241st
243rd
233rd
88th260th
1st125th
60th
124th
207th
160th
69th
417th
182nd
Reversi
21st37th
26th
32nd76th66th
118th12th
161st
38th
5th
Rijndael S-box
67th
13th
16th
102nd
83rd
217th
97th
65th
101st
47th
33rd
399th
Rock-paper-scissors-Spock-lizard
27th70th
422nd
89th472nd
14th299th
171st
468th
193rd
Roman to Arabic
195th
143rd194th
78th444th99th193rd160th227th299th53rd
220th
311th
244th
181st
173rd
289th107th460th
232nd14th2nd
277th
269th
201st
Rule 110
67th
74th
24th116th275th
53rd
229th84th
261st
44th
33rd
265th
Seven Segment
105th
48th85th
39th
153rd
154th73rd130th
103rd118th
161st
141st149th126th
210th18th84th
231st
69th
SI Units
2nd
24th
116th
Sierpiński Triangle
79th
62nd
29th99th83rd91st
167th
38th122nd130th108th
211th
164th161st13th
171st
230th42nd58th
24th117th
157th
182nd
252nd
237th74th
Smith Numbers
79th
420th
77th
82nd
90th
Spelling Numbers
93rd
55th1st
82nd
Star Wars Opening Crawl
248th
153rd
256th
Sudoku
37th
237th
60th
38th
95th
Sudoku (Fill-in)
64th
202nd
31st
75th19th
51st
14th
Ten-pin Bowling
26th81st
28th
71st69th40th
70th23rd
209th48th
18th
4th
30th
Time Distance
33rd
17th
72nd
10th
14th
329th
Tongue-twisters
536th
104th
203rd
Transpose Sentence
427th
263rd
78th
166th284th333rd
186th1st111th
147th190th96th135th58th142nd
254th
291st
37th
344th
54th160th
United States
239th
332nd62nd92nd
133rd
123rd143rd113th74th
37th116th48th
159th146th
312th218th
77th8th
221st
155th
Vampire Numbers
305th
334th
342nd
Van Eck Sequence
334th
168th
186th510th
86th
410th322nd
201st
33rd210th
248th
426th
396th225th404th
13th
151st
51st
Zeckendorf Representation
189th
78th92nd
141st
133rd
94th23rd
157th
167th
11th
17th
32nd
149th
Zodiac Signs
92nd
52nd
170th
330th
222nd
256th
71st
140th
14th
51st
66th
γ
460th
229th
1st
174th
143rd
406th
λ
298th
608th
134th
668th
π
220th
254th436th
426th245th
230th356th324th
502nd
261st
7th
177th
136th467th
68th
τ
229th
164th405th
390th335th
243rd297th283rd
149th
13th
175th
104th448th
53rd
φ
354th
403rd
247th536th
165th445th
426th331st372nd
647th209th
151st
110th
71st
265th
39th588th418th440th12th
390th
60th
787th
√2
406th
287th401st
173rd636th
468th384th400th
266th
214th
354th160th
116th
313th
88th300th463rd577th4th
152nd
915th
𝑒
512th
366th
441st
398th319th324th
172nd
272nd360th286th
412th
186th
143rd
17th
237th
197th479th314th
59th
135th