12 Days of Christmas
977th
405th
1,846th
194th
882nd
733rd
368th
196th
647th
399th
922nd
391st
24 Game
81st
99 Bottles of Beer
519th
103rd
117th
1,240th
865th
141st
1,583rd
253rd
1,064th
132nd
2,708th
829th
Abundant Numbers
769th
1,581st
508th
45th
846th
216th
1,101st
2,169th
1,022nd
664th
1,812th
459th
422nd
2,265th
2,797th
Abundant Numbers (Long)
584th
68th
678th
567th
Arabic to Roman
396th
175th
338th
3rd
304th
508th
603rd
434th
144th
501st
Arithmetic Numbers
31st
108th
50th
423rd
Arrows
165th
304th
125th
80th
57th
74th
141st
153rd
175th
90th
307th
236th
103rd
253rd
Ascending Primes
20th
157th
ASCII Table
375th
106th
399th
54th
519th
129th
231st
326th
474th
83rd
398th
1,146th
brainfuck
983rd
128th
181st
139th
385th
521st
106th
398th
624th
437th
375th
400th
Catalan Numbers
300th
279th
268th
181st
12th
845th
854th
29th
85th
851st
Catalan’s Constant
204th
2nd
757th
133rd
216th
423rd
Christmas Trees
129th
269th
49th
320th
162nd
219th
589th
472nd
497th
183rd
196th
1,657th
Collatz
322nd
770th
166th
30th
671st
742nd
412th
CSS Colors
432nd
366th
533rd
374th
351st
271st
325th
138th
455th
358th
369th
412th
379th
230th
227th
435th
339th
35th
785th
378th
355th
408th
431st
Cubes
84th
283rd
172nd
349th
329th
52nd
344th
372nd
69th
821st
143rd
18th
Day of Week
522nd
456th
722nd
429th
1st
473rd
DFA Simulator
70th
184th
Diamonds
264th
95th
269th
35th
286th
287th
222nd
204th
78th
313th
981st
Divisors
1,694th
2,185th
673rd
296th
174th
1st
1,595th
908th
895th
2,596th
967th
346th
3,028th
771st
256th
881st
3,854th
Emirp Numbers
457th
179th
783rd
594th
336th
50th
343rd
201st
102nd
219th
613th
611th
714th
489th
606th
Emirp Numbers (Long)
139th
151st
27th
99th
769th
Emojify
33rd
98th
163rd
192nd
Evil Numbers
615th
441st
1,260th
29th
386th
135th
1st
629th
607th
455th
36th
532nd
367th
554th
765th
1,504th
2,555th
Evil Numbers (Long)
498th
25th
225th
898th
335th
32nd
Factorial Factorisation
191st
Farey Sequence
1st
302nd
Fibonacci
547th
358th
4,052nd
2,190th
771st
1st
317th
2,256th
154th
388th
1,785th
2,092nd
2,557th
1,575th
39th
1,505th
837th
684th
3,590th
751st
6,614th
Fizz Buzz
5,173rd
5,046th
10,708th
1,266th
1,525th
1,131st
10,278th
3,583rd
1,982nd
1,071st
10,117th
10,484th
4,727th
4,250th
672nd
7,402nd
7,886th
524th
13th
1,711th
3,943rd
1,085th
1,494th
4,115th
1,588th
9,256th
3,314th
426th
361st
3,939th
1,867th
2,817th
2,498th
663rd
10,501st
5,766th
4,486th
2,011th
7,982nd
7,185thFoo Fizz Buzz Bar
252nd
392nd
125th
410th
331st
1,382nd
454th
621st
832nd
816th
1,203rd
Forsyth–Edwards Notation
144th
62nd
521st
Fractions
354th
1st
197th
514th
289th
296th
299th
577th
9th
395th
739th
Game of Life
45th
83rd
541st
Gijswijt’s Sequence
77th
212th
36th
166th
81st
249th
131st
265th
135th
130th
69th
Happy Numbers
721st
209th
522nd
797th
532nd
296th
260th
404th
235th
560th
1,006th
870th
106th
357th
885th
619th
803rd
324th
862nd
930th
Happy Numbers (Long)
240th
372nd
65th
282nd
2nd
333rd
628th
519th
368th
Hexdump
101st
289th
81st
137th
240th
181st
Intersection
365th
181st
39th
41st
260th
518th
199th
873rd
370th
544th
167th
214th
226th
Inventory Sequence
263rd
190th
1st
138th
286th
92nd
ISBN
284th
503rd
109th
204th
105th
225th
525th
364th
Jacobi Symbol
234th
19th
137th
121st
321st
Kolakoski Constant
246th
104th
48th
332nd
263rd
405th
558th
428th
771st
625th
Kolakoski Sequence
563rd
100th
247th
1st
377th
587th
252nd
492nd
949th
Leap Years
609th
284th
686th
237th
431st
124th
459th
184th
848th
442nd
437th
661st
9th
602nd
293rd
2,893rd
584th
132nd
277th
851st
2,764th
Levenshtein Distance
73rd
243rd
159th
561st
372nd
30th
492nd
43rd
230th
246th
264th
Leyland Numbers
352nd
144th
191st
68th
191st
365th
382nd
170th
289th
327th
431st
702nd
ln 2
119th
290th
132nd
362nd
3rd
70th
Look and Say
1,074th
225th
203rd
94th
380th
240th
411th
46th
283rd
517th
511th
374th
746th
Lucky Numbers
133rd
156th
200th
55th
150th
62nd
283rd
657th
Lucky Tickets
82nd
37th
45th
122nd
201st
67th
218th
159th
461st
Maze
130th
63rd
Medal Tally
160th
54th
78th
Morse Decoder
153rd
119th
148th
299th
168th
159th
Morse Encoder
170th
76th
28th
226th
153rd
131st
136th
Musical Chords
236th
78th
121st
25th
40th
186th
114th
103rd
N Queens
28th
209th
Niven Numbers
553rd
675th
934th
697th
214th
744th
952nd
1,294th
241st
1,681st
401st
47th
287th
261st
433rd
836th
1,154th
1,136th
660th
7th
858th
351st
1,498th
715th
1,492nd
1,033rd
1,586th
Niven Numbers (Long)
241st
431st
711th
180th
2nd
500th
23rd
Number Spiral
280th
203rd
102nd
1st
7th
257th
307th
725th
442nd
104th
Odious Numbers
495th
772nd
387th
1,263rd
27th
318th
103rd
1st
514th
486th
957th
358th
34th
1,833rd
244th
468th
766th
1,212th
2,203rd
Odious Numbers (Long)
452nd
25th
214th
854th
330th
32nd
Ordinal Numbers
573rd
318th
1,032nd
420th
575th
624th
630th
511th
434th
2nd
683rd
551st
Pangram Grep
999th
450th
271st
196th
106th
660th
3rd
370th
829th
656th
477th
292nd
167th
973rd
Pascal’s Triangle
196th
570th
271st
53rd
90th
1st
1st
337th
1,931st
558th
162nd
1,002nd
191st
813th
446th
1,159th
Pernicious Numbers
331st
275th
700th
730th
180th
638th
546th
494th
1st
325th
84th
515th
127th
297th
255th
372nd
680th
159th
218th
108th
576th
24th
817th
652nd
344th
858th
599th
1,244th
394th
1,509th
Pernicious Numbers (Long)
246th
349th
323rd
29th
481st
63rd
Poker
241st
98th
184th
82nd
73rd
240th
148th
Prime Numbers
532nd
853rd
1,448th
1,285th
819th
252nd
1st
1st
1,253rd
440th
91st
924th
298th
549th
1,489th
1,630th
Prime Numbers (Long)
503rd
416th
769th
289th
1st
1st
645th
494th
161st
443rd
306th
Proximity Grid
59th
QR Decoder
185th
149th
169th
92nd
181st
170th
Quine
1st
216th
3,404th
1,234th
2,392nd
2,824th
1,510th
1,396th
2,742nd
129th
1,021st
501st
1,341st
192nd
1,182nd
3,528th
1,042nd
1,104th
1,592nd
1,491st
446th
1,548th
141st
388th
1,285th
2,618th
4,222nd
122nd
Recamán
222nd
539th
91st
482nd
207th
386th
434th
668th
410th
680th
Repeating Decimals
82nd
247th
34th
Reverse Polish Notation
254th
1st
72nd
188th
126th
440th
264th
Rijndael S-box
181st
Rock-paper-scissors-Spock-lizard
138th
88th
427th
154th
145th
114th
331st
310th
Roman to Arabic
291st
312th
93rd
576th
324th
306th
533rd
402nd
185th
299th
Rule 110
416th
201st
100th
56th
212th
337th
240th
227th
172nd
298th
Seven Segment
167th
40th
208th
171st
116th
372nd
382nd
147th
SI Units
78th
45th
215th
Sierpiński Triangle
408th
358th
185th
54th
200th
167th
152nd
400th
146th
229th
472nd
471st
Smith Numbers
137th
105th
226th
367th
659th
415th
339th
Spelling Numbers
149th
92nd
222nd
1st
156th
495th
144th
221st
357th
Star Wars Opening Crawl
119th
188th
52nd
39th
118th
133rd
54th
227th
195th
167th
Sudoku
91st
78th
81st
123rd
124th
107th
Sudoku v2
147th
63rd
51st
61st
196th
Ten-pin Bowling
249th
298th
103rd
86th
237th
106th
155th
252nd
204th
269th
Time Distance
284th
39th
75th
Tongue-twisters
509th
331st
373rd
381st
119th
143rd
600th
281st
736th
674th
265th
204th
467th
316th
248th
United States
111th
194th
300th
8th
Vampire Numbers
545th
111th
324th
37th
271st
178th
182nd
279th
335th
688th
Van Eck Sequence
922nd
173rd
299th
1st
97th
279th
340th
125th
88th
604th
573rd
Zodiac Signs
274th
226th
164th
258th
γ
176th
1st
129th
λ
257th
156th
189th
840th
761st
527th
168th
733rd
343rd
467th
577th
604th
π
643rd
251st
361st
220th
112th
73rd
1,764th
425th
112th
328th
276th
1,086th
1,277th
1,186th
τ
240th
223rd
155th
1,097th
406th
77th
442nd
284th
779th
870th
833rd
φ
301st
268th
495th
174th
136th
67th
1,214th
646th
36th
522nd
117th
901st
1,092nd
938th
√2
212th
300th
177th
454th
489th
1,443rd
679th
73rd
601st
4th
1,074th
1,250th
1,088th
𝑒
543rd
203rd
219th
294th
2nd
16th
1,619th
354th
157th
754th
56th
1,039th
1,101st
1,061st