12 Days of Christmas
166th
807th
498th
1,944th601st
2,590th
1,702nd203rd
240th
162nd
25th749th191st
594th45th
106th243rd1,398th
260th
870th
24 Game
253rd
99 Bottles of Beer
837th
696th
274th
1,237th
476th
57th
349th157th
132nd
102nd686th361st
134th196th
29th138th263rd
68th
670th
Abundant Numbers
117th
814th1,999th1,313th2,220th579th1,459th663rd992nd904th1,086th
325th1,125th1,011th396th
1,117th2,449th
739th43rd1,852nd359th1,862nd
369th319th
80th1,207th2,378th669th
1,235th456th1,453rd834th331st
18th286th1,740th438th
1,497th260th
1,172nd
Abundant Numbers (Long)
117th
320th481st
500th
709th1,245th
914th
68th531st761st823rd
665th512th
1,016th84th
344th207th
388th177th
3rd134th348th1,113th
1,483rd109th816th1,248th54th
29th380th442nd118th
225th281st
359th
Arabic to Roman
176th
546th
781st
14th
208th
65th
284th294th
568th
184th
Arithmetic Numbers
115th
391st397th
925th
553rd
156th363rd
106th
80th336th356th681st
735th3rd
106th258th519th
441st
Arrows
146th
204th
387th
82nd
224th
186th116th
84th
253rd
215th143rd63rd147th
310th6th
58th
356th
79th
Ascending Primes
286th
800th
234th
287th
41st
66th
358th
31st
333rd
127th
ASCII Table
103rd
137th
705th
204th
706th
112th239th
590th
96th
410th192nd
93rd456th175th
98th111th
102nd
669th
107th
259th
Billiards
16th
brainfuck
65th
123rd
225th
435th
114th
198th
138th
364th115th
87th
309th
506th35th282nd181st
116th23rd
20th159th340th
107th
Card Number Validation
66th
367th
293rd
39th62nd
112th86th
153rd307th
359th
24th
Catalan Numbers
1st
633rd
472nd
545th
352nd537th
345th
469th661st
557th196th416th13th
122nd
1,135th493rd529th527th
443rd28th
96th
101st
477th
Catalan’s Constant
54th
141st
295th
87th
2nd
58th116th
52nd
222nd
77th
Christmas Trees
554th
161st
484th
390th
80th
250th
338th247th
1,719th295th
264th
148th139th387th
778th
564th228th
90th
474th
715th
199th
Collatz
73rd
637th244th
557th
944th
724th
324th440th597th
556th428th
1,020th536th
300th
4th192nd
307th221st291st513th
689th205th
321st75th
215th763rd34th
354th
460th
CSS Colors
548th
275th
211th
192nd2nd253rd
61st507th
228th
Cubes
63rd
400th
126th
156th
168th
Day of Week
587th
553rd
747th
350th
408th
278th606th
87th
379th393rd901st
1st651st58th
498th
712th
370th
DFA Simulator
262nd
34th
93rd
13th
55th58th
147th3rd
40th
17th
102nd
Diamonds
197th
104th
353rd
234th
79th
344th151st
378th
476th
443rd159th213th416th
169th175th
65th
572nd630th
339th
232nd
Divisors
171st
2,211th840th1,656th4,238th886th172nd1,635th1,615th
1,316th
979th849th
744th
2,256th878th
1,044th356th194th1,384th1st731st345th129th1,345th
18th256th857th1,343rd
837th163rd
1,006th34th
27th2,462nd934th291st
910th821st
718th
Emirp Numbers
633rd
464th
799th600th
710th215th192nd
642nd
110th
369th684th
759th1,820th47th677th
807th
490th261st728th262nd
743rd
134th275th
71st1,024th659th
391st
554th
Emirp Numbers (Long)
85th
151st
551st
45th156th
22nd176th
213th
350th95th121st123rd
237th
49th477th268th
88th
Emojify
15th
89th
129th
275th
202nd
Evil Numbers
186th
804th2,178th775th1,216th621st
1,415th670th1,158th
345th1,085th
1,116th2,428th498th919th1,528th807th1,612th1,371st2,583rd163rd2,183rd
418th1,212th
1st994th2,377th825th1,183rd1,081st919th1,776th549th40th
196th1,350th1,412th1,353rd
2,333rd2,170th980th
1,052nd
Evil Numbers (Long)
68th
710th552nd819th
277th
1,085th
723rd
237th492nd
901st673rd294th533rd1,087th556th1,007th876th
69th1,067th
374th1,065th
1st459th929th741st954th986th535th934th418th102nd
86th708th775th858th
523rd483rd
538th
Factorial Factorisation
18th
64th
309th
144th
267th
2nd102nd145th
61st
134th104th
14th73rd244th
94th
Farey Sequence
114th
150th339th
269th
412th
307th
169th334th
29th166th
208th253rd322nd
73rd
179th4th
420th241st70th
288th
Fibonacci
191st5,263rd3,209th1,712th2,253rd5,905th1,764th391st571st3,482nd4,869th3,318th2,338th339th1,823rd1,035th1,961st904th1,108th913th3,357th922nd1st360th2,923rd2,687th2,640th622nd199th1,878th4,652nd1,855th465th2,436th2,059th2,563rd2,529th333rd1,726th1,741st53rd
44th1,878th312th
2,347th1,961st2,016th882nd7,906th1,760th3,692nd
Fizz Buzz
580th
570th4,138th2,207th2,256th1,435th2,115th1,526th3,836th
3,120th1,250th1,339th1,725th1,857th1,906th7,979th5,074th2,213th
3,667th4,927th1,364th6,313th5,504th1,352nd597th21st797th2,781st4,521st591st3,847th4,238th
3,772nd479th4,486th3,849th551st
439th4,836th2,801st1,966th
1,649th1,975th
1,963rd
Foo Fizz Buzz Bar
314th
793rd438th
813th
1,652nd
154th
859th
879th
1,663rd459th
1,749th
1,722nd865th
533rd174th
394th857th915th
1,714th115th733rd734th2nd
144th
1,457th
270th
456th
Forsyth–Edwards Notation
60th
139th
348th
87th
180th162nd
74th190th264th
21st
164th
117th
27th
69th
Fractions
314th
423rd
1,007th
509th
284th
197th449th
576th
494th
289th
678th795th490th
362nd279th
118th391st10th
274th
Game of Life
211th
109th
27th
297th
Gijswijt’s Sequence
65th
115th119th
181st
87th
270th
53rd94th
60th
47th68th
84th216th196th
136th
106th33rd
7th279th107th
69th
Happy Numbers
707th1,010th
750th889th998th925th
1,093rd245th612th
739th341st
175th
423rd892nd
564th1,653rd
872nd
770th544th
307th774th823rd651st
936th911th
146th405th
38th600th1,094th1,234th
1,517th289th
232nd
Happy Numbers (Long)
101st
232nd280th
690th
252nd
58th734th
246th
161st322nd
131st374th
249th
115th
2nd127th535th283rd
797th
216th43rd
25th272nd463rd
246th
235th
Hexdump
120th
82nd
78th
295th161st
62nd205th193rd
115th20th
57th
421st
66th
Intersection
201st
223rd
127th
191st
376th201st
74th306th215th
609th11th
40th
317th
109th
Inventory Sequence
23rd
166th350th
302nd
318th446th
462nd
402nd
531st
307th239th
215th
139th60th
32nd220th131st272nd
409th431st
286th74th
369th119th310th
312th
ISBN
7th
93rd
594th
204th
560th
167th
502nd349th
373rd
50th129th
2nd114th310th359th
685th
292nd6th
202nd243rd694th
203rd
336th
Jacobi Symbol
154th
279th
429th
102nd
105th
67th
19th
164th
97th253rd135th
362nd345th
156th47th
118th
395th
69th
Kaprekar Numbers
357th
217th
Kolakoski Constant
8th
138th
128th
222nd
51st
114th
58th
70th
38th
Kolakoski Sequence
21st
343rd487th923rd618th
633rd
258th
112th529th
330th
277th291st
337th85th
299th582nd
226th485th
1st329th514th418th
188th304th
275th138th
205th347th110th
292nd
242nd
Leap Years
83rd
1,104th1,876th200th2,172nd609th
291st933rd
545th
100th395th491st187th
210th859th
137th227th1,043rd2,250th707th
31st419th
509th425th747th1,842nd
85th567th11th339th348th
4th496th1,178th524th
1,167th
306th
Levenshtein Distance
605th
366th
105th160th
91st
401st
206th198th423rd
33rd
624th406th
361st
53rd
784th
Leyland Numbers
336th620th
888th
98th
603rd
161st
142nd300th
358th
315th270th
507th
138th210th576th
224th4th
213th268th571st
171st
ln 2
143rd
455th
294th
126th
204th
230th250th
113th
219th277th293rd
3rd
162nd26th
345th267th144th
247th
Look and Say
126th
204th
500th
282nd
454th
327th
171st
262nd240th
563rd230th
199th
131st
38th183rd292nd223rd
48th
310th377th
58th196th113th
228th
222nd
Lucky Numbers
33rd
151st91st
84th
154th
148th
59th199th
112th
119th163rd
103rd
219th
52nd128th
144th235th
4th96th117th255th
142nd335th182nd10th
50th191st156th
134th
Lucky Tickets
159th
138th
338th
95th
155th
187th145th
47th
116th108th209th
111th7th
45th
254th
73rd
Mahjong
13th
Maze
58th
Medal Tally
119th
156th
147th
110th117th
100th
204th79th127th
164th46th
10th69th259th
170th
Morse Decoder
29th
299th
113th
336th
134th
47th81st125th
144th84th
40th67th234th
184th
Morse Encoder
39th
466th
186th
91st
121st
136th
140th
28th81st335th
Musical Chords
197th
N Queens
38th
8th
Niven Numbers
190th1,655th277th1,091st556th2,039th702nd824th900th1,388th1,018th332nd
248th850th
709th1,147th953rd2,094th1,258th869th1,564th287th2,832nd1,434th1,126th491st57th952nd1,042nd383rd309th519th965th1,173rd182nd587th480th809th196th
40th1,124th1,605th357th
884th732nd1,244th
684th1,700th
Niven Numbers (Long)
788th1,510th1,404th447th528th
548th303rd589th933rd
178th
132nd1,218th
368th553rd340th568th871st800th953rd812th
224th324th669th269th255th149th2nd600th538th640th675th
1,067th431st32nd
20th580th76th420th
530th378th866th
1,165th952nd
Number Spiral
231st
183rd
257th
372nd
19th
7th
510th195th
26th
299th
Odious Numbers
120th
269th1,677th456th1,164th387th
1,206th584th919th
215th1,082nd
794th2,079th712th770th
1,044th1,111th2,209th121st1,439th
355th1,089th
1st640th692nd663rd801st1,013th698th1,843rd412th38th
154th1,186th1,212th1,018th
2,158th1,957th1,134th
725th
Odious Numbers (Long)
103rd
248th528th726th
393rd
852nd
580th
181st525th
810th
251st481st916th509th793rd791st
104th1,067th
207th884th
1st408th623rd772nd611th908th1,078th778th347th36th
124th898th714th801st
471st867th
498th
Ordinal Numbers
143rd
461st
1,087th
785th
517th
465th457th
527th
563rd333rd
538th830th
413th
87th250th
37th191st596th451st
146th880th
447th156th
98th360th365th
2nd
341st
591st
PalindromemordnilaP
146th
367th
325th
174th67th
83rd
226th268th
32nd
70th
123rd
Pangram Grep
433rd
1,239th383rd
1,246th
523rd
339th722nd
100th
582nd518th
243rd437th591st
656th
457th
87th435th218th560th
391st9th
394th905th203rd
425th
597th
Partition Numbers
14th
116th
44th
Pascal’s Triangle
117th
341st
1,959th
914th
724th
474th988th
848th
801st601st
538th
1st810th
331st217th
1st162nd592nd386th
324th44th
60th500th397th
463rd
762nd
Pernicious Numbers
216th524th361st721st498th1,607th421st334th469th781st854th890th
217th742nd
683rd646th842nd772nd980th569th1st1,370th1,194th106th1,170th595th152nd1,172nd664th21st311th448th810th758th192nd258th131st671st34th
92nd934th408th380th
1,577th734th513th828th
550th997th
Pernicious Numbers (Long)
112th
448th272nd
311th
328th
61st
122nd577th
1st651st
686th
167th364th366th460th
163rd35th
32nd312th248th
513th
Poker
72nd
Prime Numbers
319th
1,335th1,541st1,082nd2,214th462nd
1,138th639th1,016th
1,459th1,084th
573rd
223rd1,814th1,871st
1,585th289th3,442nd1st515th
151st1,941st
1st331st1,516th1,463rd
276th1,081st
504th105th
193rd1,213th1,147th847th
1,615th2,316th845th
595th
Prime Numbers (Long)
313th
862nd870th
790th
805th
485th
570th773rd
581st
144th923rd1,054th
1,215th811th
1st558th
897th1,011th846th1st438th535th828th
874th
652nd96th
139th1,160th282nd392nd
640th
498th
Proximity Grid
269th
QR Decoder
119th
Quine
1st3,903rd251st1,922nd3,113th2,069th4,125th1,372nd3,933rd2,867th3,477th2,844th608th1,554th1,844th
1,694th3,874th1,547th577th
3,375th686th1,953rd
1,862nd1,492nd223rd1,612th1,430th
1,263rd1,645th1,810th1,748th515th2,891st3,817th1,770th161st
566th2,395th444th3,414th3,226th1,715th2,151st1,669th4,846th
2,182nd1,931st
Recamán
45th
195th262nd
298th
469th
56th286th
203rd
115th284th
196th
154th
21st199th
107th136th144th385th
516th174th
282nd5th
19th176th37th
352nd
129th
Repeating Decimals
48th
101st
235th
64th116th122nd
86th13th
1st
91st
83rd
Reverse Polish Notation
136th
670th
240th
242nd
92nd192nd
1st
355th
211th
450th88th171st187th
159th
311th69th
517th269th638th
212th
Reversi
265th
32nd
166th
190th
80th
181st37th
19th
172nd
71st
Rijndael S-box
249th
328th
72nd
70th270th
190th
219th
43rd
Rock-paper-scissors-Spock-lizard
34th
880th
110th
87th
399th114th
36th217th
105th43rd
12th
647th
263rd
Roman to Arabic
410th
864th
237th
100th
53rd
359th
726th390th
385th
329th14th
356th
435th
230th
ROT13
97th
209th
298th
Rule 110
77th
132nd
498th
274th
105th
161st167th
310th
112th309th141st
656th
94th44th
140th122nd33rd
88th
Scrambled Sort
65th
Set
258th
87th
138th
Seven Segment
72nd
228th
453rd
139th
119th
223rd141st
45th102nd196th
217th
375th25th
30th438th
411th
Sierpiński Triangle
36th
387th
295th
333rd
381st
196th
150th179th
487th
298th328th244th
350th
294th143rd
4th312th362nd
Smith Numbers
26th
223rd
108th
123rd
61st
215th262nd
13th97th
168th
187th86th330th113th
190th35th
14th
308th
46th
Spelling Numbers
188th
526th1st
173rd212th
117th
286th
257th186th
81st
144th
Star Wars Opening Crawl
255th
18th
227th
Sudoku
43rd
Sudoku (Fill-in)
34th
Ten-pin Bowling
222nd
299th
58th
311th
207th
211th
132nd68th113th
103rd39th
10th
Tic-tac-toe
303rd
32nd
86th
Time Distance
142nd
278th
41st
79th
43rd198th180th
93rd106th
352nd
Tongue-twisters
990th
368th
255th
942nd122nd
103rd
591st
213th
656th
61st
Transpose Sentence
186th
431st
277th
99th
128th
483rd397th
52nd180th281st
239th
United States
198th
373rd
433rd
391st
201st
105th
170th402nd8th345th
361st
Vampire Numbers
79th
28th
181st191st
123rd
169th
226th
150th35th
10th
337th
78th
Van Eck Sequence
26th
220th369th
298th
264th
101st285th387th238th
148th280th
1st578th
219th
66th128th
308th249th294th454th
62nd69th
157th13th
83rd218th51st
217th
162nd
Zeckendorf Representation
48th
217th
129th
88th
250th219th
137th20th
17th108th207th
168th
Zodiac Signs
37th
142nd
88th119th
77th125th139th
89th
300th
102nd
γ
1st
λ
584th
286th
21st
π
278th
383rd
409th
462nd
427th247th
304th
235th240th
478th487th
139th
263rd
7th
119th205th244th
139th
108th71st
397th
351st
194th
τ
239th
355th
380th
412th
391st
346th
199th250th
438th455th
205th
151st
7th
149th233rd248th
106th
102nd55th
267th254th318th
164th
φ
227th
394th
708th
250th
359th617th
321st
345th
613th211th
153rd
681st177th
190th
269th340th382nd
39th
228th12th
7th379th276th
355th
√2
214th
469th
561st
289th
243rd686th
350th
396th423rd
688th217th
332nd
397th
116th
315th371st422nd
88th
228th4th
112th417th318th
204th
𝑒
356th
461st
1,237th
322nd
244th671st
289th
422nd363rd
774th390th
189th
145th
17th466th241st428th534th
200th
226th61st
133rd375th137th
333rd