12 Days of Christmas
99th
197th
2,508th
404th29th
1,699th
537th188th
252nd
82nd
48th127th170th
168th288th
522nd327th340th
466th
263rd
24 Game
148th
99 Bottles of Beer
147th
300th
563rd
242nd
359th
169th
446th187th
128th
356th468th609th
144th190th
89th127th277th
256th
489th
Abundant Numbers
104th
923rd513th1,657th2,452nd358th895th380th713th1,228th991st
306th744th1,354th803rd
193rd332nd
54th77th943rd
1,110th
396th292nd
11th1,528th958th279th
706th105th1,819th862nd549th
49th252nd256th312th
878th217th
821st
Abundant Numbers (Long)
101st
409th593rd
520th
913th921st
543rd
66th589th930th614th
822nd618th
46th108th
248th
521st160th
11th205th420th1,251st
1,216th105th985th1,329th50th
145th423rd505th146th
260th361st
464th
Arabic to Roman
174th
563rd
917th
12th
243rd
59th
443rd291st
157th
283rd
Arithmetic Numbers
141st
483rd487th
730th
184th
210th440th
87th
419th438th765th
810th46th
217th319th629th
604th
Arrows
28th
242nd
352nd
54th
293rd
127th139th
99th
278th
100th177th97th187th
301st13th
130th
179th
123rd
Ascending Primes
277th
751st
229th
278th
61st
337th
25th
320th
136th
ASCII Table
78th
142nd
167th
302nd
182nd
223rd221st
686th
90th
92nd171st
95th477th189th
102nd237th
195th
343rd
165th
262nd
brainfuck
59th
138th
320th
119th
65th
253rd
230th
103rd125th
95th
165th
692nd38th416th219th
130th21st
32nd196th8th
174th
Card Number Validation
70th
279th
268th
40th53rd
92nd
161st317th
29th
Catalan Numbers
1st
619th
379th
394th
376th535th
363rd
370th645th
195th213th516th23rd
124th
1,098th587th525th531st
421st38th
268th
103rd
470th
Catalan’s Constant
43rd
221st
251st
65th
3rd
57th149th
53rd
114th
187th
Christmas Trees
612th
180th
572nd
301st
94th
341st
528th258th
1,747th327th
262nd
171st154th434th
844th
651st309th
166th
37th
1,253rd
218th
Collatz
75th
843rd306th
664th
822nd
297th
472nd538th1,107th
736th508th
59th720th
378th
11th204th
933rd314th370th684th
908th264th
399th5th
267th968th72nd
524th
561st
CSS Colors
566th
92nd
64th
296th1st289th
55th320th
305th
Cubes
66th
581st
335th
254th
202nd
Day of Week
652nd
599th
508th
224th
463rd
317th672nd
107th
392nd427th951st
1st748th54th
448th
800th
385th
DFA Simulator
117th
69th
96th
16th
80th68th
160th4th
33rd
14th
109th
Diamonds
215th
120th
359th
279th
111th
266th175th
50th
482nd
407th185th248th415th
194th224th
83rd
402nd691st
325th
264th
Divisors
429th
2,238th904th1,844th4,181st943rd431st1,841st1,052nd
588th
1,097th927th
811th
2,276th955th
1,278th606th456th1,652nd1st849th583rd325th1,595th
450th490th932nd1,626th
424th420th
1,110th26th
340th2,480th383rd531st
1,075th888th
818th
Emirp Numbers
123rd
526th
915th54th
904th337th418th
280th
173rd
125th459th
612th919th44th391st
667th
824th120th332nd375th
610th
230th142nd
163rd920th26th
571st
264th
Emirp Numbers (Long)
92nd
170th
256th
52nd174th
20th195th
211th
361st105th
129th
254th
55th501st84th
128th
Emojify
1st
81st
108th
44th
65th
Evil Numbers
179th1,898th
874th1,698th851st1,277th420th
1,273rd764th650th
314th896th
642nd2,045th474th762nd1,573rd674th1,676th1,408th2,223rd156th584th
434th1,269th
1st1,066th2,087th887th1,238th1,168th982nd1,819th552nd40th
184th1,391st1,232nd1,394th
2,358th1,461st1,041st
1,133rd
Evil Numbers (Long)
84th
711th566th764th
212th
972nd
410th
227th496th
1,165th679th293rd532nd1,069th534th985th846th
67th1,044th
370th916th
1st472nd906th725th955th949th546th904th423rd98th
201st708th751st832nd
524th481st
550th
Factorial Factorisation
18th
72nd
62nd
155th
277th
103rd150th
61st
144th167th
19th
113th
95th
Farey Sequence
131st
169th353rd
157th
59th
388th
179th341st
35th176th
222nd270th348th
77th
187th6th
304th256th72nd
337th
Fibonacci
174th
5,128th3,158th1,709th2,224th5,755th661st388th561st3,102nd4,743rd2,470th2,300th344th1,804th1,096th1,972nd971st1,117th1,064th3,322nd742nd1st358th2,847th2,691st2,660th610th182nd1,842nd4,516th3,628th461st2,396th2,039th2,612th2,518th333rd1,711th1,726th42nd
293rd1,897th306th
2,306th1,924th1,979th949th7,679th1,783rd2,832nd
Fizz Buzz
667th
669th4,539th3,400th3,625th2,453rd679th2,558th3,467th
1,480th1,702nd2,022nd2,663rd2,808th3,617th8,049th4,375th3,513th4,440th4,381st1st2,201st6,388th1,396th2,035th1,243rd121st649th4,007th
1,171st4,438th4,601st
1,398th560th4,691st4,443rd56th
107th4,899th491st3,228th
2,554th2,666th
3,138th
Foo Fizz Buzz Bar
448th
1,126th675th
704th
1,218th
314th
1,212th
1,585th
1,311th686th
1,342nd
677th1,216th
908th302nd
663rd1,221st1,293rd
452nd265th651st1,057th15th
201st
978th
514th
678th
Forsyth–Edwards Notation
42nd
122nd
119th
152nd
132nd147th
69th133rd252nd
72nd
149th
17th
7th
88th
Fractions
320th
421st
754th
584th
470th
221st457th
538th
464th
302nd
656th819th460th
379th505th
135th400th9th
288th
Game of Life
232nd
152nd
51st
201st
Gijswijt’s Sequence
71st
125th134th
157th
132nd
217th
53rd105th
61st
46th98th
94th106th212th
149th
114th66th
14th276th115th
155th
Happy Numbers
120th
1,446th
566th861st1,444th546th
813th446th664th
150th443rd
314th
177th570th
210th875th
271st
693rd237th
1st203rd298th474th
770th378th
281st29th
76th466th77th1,067th
755th674th
364th
Happy Numbers (Long)
106th
237th305th
654th
312th
85th851st
316th
161st361st
150th477th
261st
128th
1st137th416th307th
578th
221st144th
92nd280th52nd
228th
251st
Hexdump
153rd
77th
156th
103rd195th
227th170th183rd
146th14th
138th
180th
132nd
Intersection
182nd
199th
99th
161st
453rd182nd
84th372nd173rd
796th22nd
24th
48th
130th
Inventory Sequence
17th
163rd359th
251st
328th213th
344th
408th
211th
317th247th
207th
240th64th
405th166th281st
415th398th
306th76th
174th112th319th
432nd
ISBN
5th
97th
137th
74th
639th
200th
339th363rd
404th
64th91st
189th110th267th412th
544th
308th13th
69th227th347th
236th
376th
Jacobi Symbol
141st
304th
234th
127th
255th
67th
13th
155th
104th267th131st
405th390th
145th82nd
184th
102nd
139th
Kaprekar Numbers
358th
Kolakoski Constant
6th
177th
87th
227th
144th
130th
58th
166th
161st
Kolakoski Sequence
20th
324th474th911th584th
416th
434th
97th463rd
365th
229th239th
140th77th
107th582nd
190th472nd
1st306th509th395th
158th299th
227th248th
95th329th93rd
314th
203rd
Leap Years
103rd
1,130th1,882nd199th2,155th628th
302nd500th
569th
108th418th446th227th
209th874th
1st231st1,421st
563rd
37th404th
170th430th746th1,843rd
93rd589th15th546th371st
87th443rd1,201st553rd
1,193rd
286th
Levenshtein Distance
318th
141st
90th179th
127th
282nd
231st212th442nd
69th
569th43rd
416th
3rd
623rd
Leyland Numbers
448th694th
807th
144th
691st
255th
208th389th
416th
103rd359th
600th
204th269th660th
302nd19th
393rd347th441st
271st
ln 2
145th
429th
175th
120th
197th
223rd240th
107th
211th261st273rd
3rd
162nd26th
206th244th146th
276th
Look and Say
143rd
215th
496th
227th
502nd
322nd
241st
274th244th
559th234th
212th
116th
53rd197th288th232nd
11th
291st427th
136th208th46th
182nd
229th
Lucky Numbers
38th
180th99th
43rd
90th
108th
45th202nd
136th
130th179th
119th
213th
39th134th
153rd192nd
64th116th131st247th
91st283rd184th23rd
40th196th165th
252nd
Lucky Tickets
178th
170th
182nd
68th
218th
219th179th
38th
153rd137th238th
140th10th
56th
91st
99th
Mahjong
10th
Maze
42nd
Medal Tally
131st
224th
159th
112th126th
55th
69th105th140th
178th107th
21st62nd221st
189th
Morse Decoder
9th
341st
159th
229th
69th
68th97th136th
163rd144th
11th66th43rd
103rd
Morse Encoder
23rd
533rd
184th
140th
75th
147th
151st
52nd75th217th
Musical Chords
116th
N Queens
82nd
9th
Niven Numbers
71st
1,679th289th942nd465th2,028th876th347th1,046th617th1,174th381st
225th970th
816th738th629th1,114th1,292nd1,014th1st303rd2,759th1,131st606th641st103rd885th269th1st325th484th1,067th1,079th97th681st404th816th242nd
77th1,169th415th425th
515th768th706th
780th1,265th
Niven Numbers (Long)
725th
1,427th1,309th458th482nd
554th209th566th694th
181st
73rd1,055th
389th560th328th590th842nd547th17th786th
202nd284th444th291st239th156th1st622nd491st658th689th
1,013th576th49th
39th558th86th415th
500th354th571st
1,073rd760th
Number Spiral
334th
188th
370th
412th
19th
7th
516th286th
25th
150th
Odious Numbers
118th
250th1,697th494th1,205th422nd
1,145th665th528th
198th986th
554th1,758th362nd624th
1,087th1,168th2,047th119th403rd
374th1,144th
1st706th289th753rd860th1,059th761st1,855th439th38th
157th1,231st972nd1,067th
2,153rd1,490th1,196th
779th
Odious Numbers (Long)
120th
246th535th698th
237th
697th
344th
179th537th
1,045th
258th499th894th460th754th746th
100th1,047th
205th857th
1st432nd604th740th593rd887th1,054th734th366th36th
131st871st686th763rd
492nd846th
515th
Ordinal Numbers
96th
522nd
1,199th
672nd
698th
517th523rd
768th
351st349th
642nd1,006th
399th
126th200th
681st179th708th524th
136th1,012th
492nd229th
97th352nd221st
3rd
357th
684th
PalindromemordnilaP
160th
372nd
296th
195th64th
350th
266th12th
38th
67th
130th
Pangram Grep
501st
1,365th504th
1,106th
141st
387th942nd
134th
736th656th
1st525th769th
844th
561st
74th520th328th729th
495th28th
126th1,074th219th
463rd
763rd
Partition Numbers
23rd
9th
59th
Pascal’s Triangle
166th
447th
1,900th
612th
659th
544th961st
919th
816th655th
613th
1st679th
437th360th
254th649th499th
425th42nd
88th559th117th
470th
783rd
Pernicious Numbers
222nd
532nd334th745th474th1,563rd242nd359th512th489th855th312th
223rd766th
708th676th667th797th961st582nd1st1,327th994th87th555th606th133rd1,036th703rd20th337th443rd829th781st200th275th112th690th33rd
167th942nd182nd417th
1,534th757th501st632nd
558th945th
Pernicious Numbers (Long)
126th
417th279th
259th
151st
71st
111th548th
1st619th
669th
343rd350th428th
207th30th
60th300th87th
517th
Poker
130th
Prime Numbers
309th
1,495th1,348th1,245th2,272nd344th
641st760th462nd
1,586th1,256th
631st
228th1,368th1,931st
1,460th289th3,422nd1st578th
145th2,001st
1st319th531st1,602nd
279th1,243rd
555th103rd
187th1,378th202nd999th
1,695th1,357th995th
654th
Prime Numbers (Long)
301st
850th858th
672nd
502nd
370th
558th777th
593rd
135th912th1,030th
954th818th
1st568th
892nd517th1,009th1st438th547th810th
874th
527th92nd
157th1,135th271st389th
652nd
503rd
Proximity Grid
196th
QR Decoder
176th
Quine
1st
3,833rd242nd1,866th3,030th1,988th3,948th1,404th3,751st2,579th3,380th2,629th608th1,570th1,803rd2,753rd1,707th3,805th1,513th581st2,400th
3,267th683rd1,869th549th1,765th1,462nd215th1,577th1,346th
1,242nd1,619th1,771st1,686th500th2,822nd3,731st1,729th160th
549th2,259th432nd3,311th3,130th1,643rd2,068th1,629th4,691st
2,103rd1,847th
Recamán
28th
192nd248th
211th
311th
50th291st
176th
130th282nd
195th
158th
10th142nd
207th144th159th385th
551st171st
288th31st
26th172nd22nd
340th
147th
Repeating Decimals
50th
136th
242nd
80th107th130th
96th21st
1st
40th
118th
Reverse Polish Notation
144th
501st
487th
308th
106th219th
1st
395th
294th
713th100th200th225th
177th
345th62nd
347th300th464th
201st
Reversi
167th
35th
182nd
129th
111th
164th30th
10th
16th
77th
Rijndael S-box
138th
282nd
132nd
81st156th
22nd
134th
55th
Rock-paper-scissors-Spock-lizard
2nd
860th
57th
179th
173rd131st
66th149th
126th29th
41st
207th
104th
Roman to Arabic
211th
930th
243rd
123rd
16th
420th
540th433rd
434th
393rd37th
277th
143rd
264th
ROT13
139th
310th
Rule 110
89th
152nd
469th
126th
154th
131st182nd
226th
136th221st163rd
449th
109th55th
82nd144th12th
119th
Set
66th
19th
15th
Seven Segment
66th
235th
525th
155th
156th
228th114th
58th90th210th
234th
422nd64th
47th
164th
Sierpiński Triangle
36th
366th
301st
287th
304th
260th
166th182nd
477th
305th341st255th
203rd
267th223rd
28th213th312th
Smith Numbers
25th
235th
158th
128th
98th
135th294th
10th97th
178th
66th400th115th
213th45th
28th
34th
89th
Spelling Numbers
206th
775th1st
210th239th
158th
340th
294th141st
98th
216th
Star Wars Opening Crawl
211th
58th
112th
Sudoku
108th
Sudoku (Fill-in)
147th
Ten-pin Bowling
214th
179th
104th
173rd
199th
145th
88th76th120th
102nd84th
15th
Time Distance
64th
388th
137th
126th
84th139th256th
90th67th
6th
Tongue-twisters
658th
686th
525th
244th86th
48th
251st
301st
100th
147th
Transpose Sentence
237th
328th
336th
65th
143rd307th
483rd75th
60th232nd318th
290th
United States
261st
260th
287th
209th
146th
182nd
235th89th2nd169th
123rd
Vampire Numbers
384th
122nd
82nd
47th141st
78th
258th
268th
150th84th
22nd
146th
166th
Van Eck Sequence
37th
214th366th
250th
253rd
104th280th385th237th
140th276th
1st573rd
213th
77th126th
239th294th441st
65th80th
156th13th
95th212th55th
222nd
168th
Zeckendorf Representation
43rd
258th
145th
102nd
311th260th
154th39th
27th124th18th
210th
Zodiac Signs
10th
151st
245th112th
59th136th129th
84th
70th
96th
γ
1st
λ
1,022nd
238th
15th
π
307th
417th
440th
368th
314th268th
378th
254th258th
217th496th
4th
284th
21st
147th225th261st
161st
125th95th
203rd281st385th
223rd
τ
257th
382nd
409th
309th
243rd
350th
220th272nd
161st460th
4th
171st
24th
167th255th267th
118th
115th89th
168th274th347th
201st
φ
194th
412th
682nd
233rd
169th580th
323rd
334th395th
251st208th
134th
640th188th
159th
273rd359th399th
13th
226th34th
8th383rd264th
336th
√2
223rd
467th
554th
260th
195th632nd
335th
370th419th
305th236th
2nd
390th
129th
330th373rd414th
11th
233rd36th
115th406th319th
181st
𝑒
313th
449th
1,164th
251st
198th618th
280th
403rd352nd
494th372nd
160th
137th
16th
255th418th514th
180th
233rd58th
127th364th130th
262nd