12 Days of Christmas
428th
2,048th
1,493rd
1,176th
99 Bottles of Beer
99th
71st
91st
177th
1,136th
29th
1,206th
34th
978th
106th
756th
Abundant Numbers
168th
2,031st
278th
4th
158th
199th
1,069th
299th
149th
311th
8th
1,051st
404th
Abundant Numbers (Long)
500th
53rd
4th
819th
342nd
567th
63rd
519th
328th
Arabic to Roman
46th
301st
3rd
58th
100th
130th
480th
263rd
144th
Arithmetic Numbers
162nd
397th
93rd
45th
444th
183rd
Arrows
268th
Ascending Primes
83rd
285th
228th
234th
ASCII Table
128th
39th
366th
535th
32nd
415th
9th
307th
brainfuck
92nd
42nd
10th
155th
218th
Catalan Numbers
1st
632nd
768th
420th
232nd
101st
141st
402nd
444th
137th
29th
85th
Catalan’s Constant
2nd
219th
253rd
Christmas Trees
72nd
504th
89th
334th
27th
Collatz
770th
241st
4th
206th
252nd
369th
742nd
438th
123rd
CSS Colors
154th
112th
326th
109th
320th
46th
377th
96th
Cubes
13th
Day of Week
168th
423rd
240th
67th
428th
259th
504th
132nd
1st
143rd
553rd
104th
275th
190th
DFA Simulator
3rd
Diamonds
306th
298th
178th
524th
Divisors
992nd
152nd
576th
313th
97th
104th
208th
339th
133rd
300th
29th
235th
986th
246th
2,462nd
998th
620th
Emirp Numbers
519th
136th
814th
444th
621st
206th
669th
336th
467th
527th
219th
405th
96th
569th
714th
357th
270th
Emirp Numbers (Long)
139th
118th
290th
58th
203rd
Emojify
38th
207th
32nd
195th
47th
Evil Numbers
2,432nd
759th
3,286th
634th
573rd
615th
289th
868th
468th
395th
725th
29th
484th
273rd
904th
1st
418th
629th
694th
521st
776th
508th
1,270th
36th
955th
817th
157th
367th
554th
656th
959th
808th
765th
1,504th
450th
Evil Numbers (Long)
296th
497th
191st
316th
25th
980th
1st
346th
845th
477th
32nd
87th
600th
Factorial Factorisation
128th
129th
Farey Sequence
98th
339th
280th
121st
73rd
45th
172nd
34th
7th
51st
Fibonacci
148th
683rd
312th
1,908th
1,922nd
261st
358th
710th
2,566th
344th
1,664th
1,449th
2,356th
1,430th
591st
1st
317th
504th
154th
388th
1,489th
421st
639th
1,785th
1,678th
306th
308th
300th
1,575th
39th
637th
1,505th
255th
684th
5,780th
1,608th
1,645th
1,715th
751st
2,432nd
2,633rdFizz Buzz
4,260th
827th
506th
1,136th
1,987th
1,073rd
2,845th
700th
3,593rd
1,486th
4,559th
4,250th
524th
13th
1,711th
3,943rd
1,085th
805th
2,857th
426th
361st
3rd
1,147th
390th
2,498th
1,984th
1,172nd
2,011th
1,220th
Foo Fizz Buzz Bar
142nd
627th
120th
1,015th
345th
392nd
607th
585th
157th
11th
101st
233rd
2nd
140th
220th
946th
482nd
Forsyth–Edwards Notation
7th
192nd
145th
28th
34th
Fractions
192nd
520th
201st
1st
105th
452nd
230th
165th
74th
612th
128th
9th
356th
Game of Life
116th
103rd
34th
11th
37th
145th
Gijswijt’s Sequence
91st
42nd
Happy Numbers
656th
134th
274th
209th
55th
482nd
296th
449th
504th
1st
277th
526th
701st
838th
80th
231st
488th
307th
18th
431st
339th
309th
348th
282nd
Happy Numbers (Long)
493rd
51st
372nd
186th
2nd
453rd
31st
98th
116th
126th
567th
382nd
549th
Hexdump
266th
💎
176th
33rd
51st
240th
220th
Intersection
431st
451st
314th
210th
Inventory Sequence
120th
127th
110th
44th
24th
246th
14th
333rd
ISBN
238th
32nd
135th
237th
174th
Jacobi Symbol
19th
369th
Kolakoski Constant
45th
205th
Kolakoski Sequence
455th
116th
124th
39th
158th
66th
288th
189th
95th
408th
361st
430th
Leap Years
964th
462nd
1st
213th
109th
1,236th
143rd
852nd
78th
473rd
1,432nd
491st
153rd
138th
990th
Levenshtein Distance
205th
73rd
169th
99th
210th
274th
30th
15th
146th
💎
43rd
123rd
Leyland Numbers
338th
682nd
288th
481st
ln 2
3rd
21st
64th
Look and Say
65th
77th
16th
268th
341st
7th
273rd
526th
106th
376th
Lucky Numbers
49th
45th
26th
72nd
88th
43rd
124th
Lucky Tickets
220th
152nd
218th
224th
Maze
8th
11th
249th
9th
12th
Medal Tally
127th
192nd
Morse Decoder
173rd
20th
8th
Morse Encoder
220th
Niven Numbers
519th
847th
188th
675th
424th
934th
372nd
214th
744th
586th
537th
1st
401st
47th
865th
4th
261st
433rd
153rd
229th
145th
164th
778th
384th
138th
351st
1,293rd
883rd
715th
640th
1,492nd
1,033rd
567th
Niven Numbers (Long)
191st
465th
172nd
222nd
311th
241st
101st
564th
604th
711th
468th
137th
2nd
253rd
403rd
82nd
150th
23rd
197th
115th
38th
303rd
602nd
381st
277th
590th
Number Spiral
58th
176th
294th
140th
100th
380th
221st
153rd
111th
26th
442nd
Odious Numbers
2,316th
638th
322nd
605th
549th
638th
217th
819th
406th
513th
568th
27th
307th
298th
658th
1st
337th
514th
574th
537th
558th
444th
1,557th
840th
34th
635th
561st
147th
244th
468th
459th
869th
766th
1,294th
395th
Odious Numbers (Long)
872nd
392nd
406th
155th
288th
25th
919th
1st
277th
428th
410th
32nd
382nd
117th
686th
Ordinal Numbers
361st
271st
678th
158th
758th
33rd
172nd
116th
171st
629th
455th
86th
183rd
96th
2nd
Pangram Grep
188th
196th
943rd
157th
319th
156th
592nd
344th
175th
32nd
119th
187th
364th
Pascal’s Triangle
386th
615th
360th
1st
451st
62nd
129th
83rd
252nd
106th
79th
93rd
Pernicious Numbers
456th
758th
441st
194th
275th
422nd
738th
245th
180th
638th
559th
905th
494th
1st
1,179th
515th
127th
210th
750th
255th
372nd
764th
159th
218th
108th
24th
670th
72nd
300th
344th
858th
620th
599th
412th
1,027th
394th
472nd
Pernicious Numbers (Long)
126th
246th
193rd
284th
434th
425th
227th
109th
236th
Poker
37th
Prime Numbers
811th
1,300th
625th
2,589th
471st
657th
852nd
1,201st
655th
208th
818th
252nd
1st
127th
1,047th
1st
277th
1,164th
235th
357th
228th
636th
91st
373rd
162nd
175th
549th
458th
833rd
1,488th
1,132nd
462nd
Prime Numbers (Long)
471st
428th
436th
395th
419th
124th
771st
1st
144th
647th
1st
342nd
296th
82nd
285th
119th
230th
377th
Proximity Grid
30th
16th
86th
44th
190th
4th
Quine
1st
1,530th
216th
2,357th
1,739th
3,404th
1,234th
2,676th
2,386th
1,387th
1,391st
1,564th
2,177th
1,510th
1,396th
2,568th
528th
2,104th
1,708th
129th
1,021st
1,762nd
501st
2,155th
1,341st
192nd
1,182nd
1,042nd
1,104th
2,586th
1,491st
446th
1,232nd
520th
1,548th
141st
2,462nd
491st
388th
1,285th
2,284th
1,466th
2,809th
1,457th
1,395th
122nd
2,804th
Recamán
165th
190th
363rd
256th
201st
4th
74th
95th
Repeating Decimals
173rd
24th
80th
12th
1st
64th
Reverse Polish Notation
141st
80th
1st
107th
64th
180th
135th
Rijndael S-box
167th
153rd
311th
Roman to Arabic
400th
108th
35th
312th
116th
31st
143rd
3rd
151st
20th
528th
Rule 110
59th
189th
274th
185th
24th
231st
Seven Segment
327th
SI Units
18th
115th
Sierpiński Triangle
327th
283rd
192nd
297th
188th
241st
339th
Spelling Numbers
1st
69th
483rd
Sudoku
221st
Sudoku v2
31st
189th
41st
38th
18th
Time Distance
207th
22nd
💎
227th
Tongue-twisters
56th
612th
194th
253rd
342nd
108th
141st
392nd
210th
156th
371st
272nd
302nd
428th
256th
180th
72nd
United States
97th
296th
50th
79th
8th
275th
117th
Vampire Numbers
312th
Van Eck Sequence
151st
460th
343rd
416th
Zodiac Signs
231st
γ
184th
1st
249th
λ
52nd
284th
265th
💎
7th
31st
171st
173rd
279th
161st
72nd
π
7th
1st
90th
315th
300th
τ
7th
3rd
337th
840th
φ
794th
301st
239th
67th
36th
259th
12th
319th
53rd
988th
√2
212th
198th
97th
73rd
4th
129th
𝑒
679th
203rd
16th
13th
223rd
56th
724th
120th