12 Days of Christmas
225th
1,702nd
714th
302nd
99 Bottles of Beer
60th56th
83rd
303rd
179th
55th
7th26th
57th
101st
238th
Abundant Numbers
336th
1,271st
608th12th
325th301st1,677th
566th128th54th
280th
310th249th
Abundant Numbers (Long)
142nd
71st
12th
655th583rd
89th85th433rd
541st
Arabic to Roman
14th
64th
208th
108th153rd
107th
319th
389th
558th
Arithmetic Numbers
267th
85th
180th
42nd
96th
349th
Arrows
342nd
Ascending Primes
120th
303rd
270th
305th
ASCII Table
169th
107th
1st
29th140th
62nd
21st
439th
brainfuck
118th
98th
33rd39th
53rd
Card Number Validation
24th216th
306th
Catalan Numbers
1st
880th
1,045th
440th
318th
135th
202nd
540th
289th
178th
41st
113th
Catalan’s Constant
3rd
277th
264th
Christmas Trees
102nd
155th
120th468th
321st
38th
Collatz
65th927th
11th
331st411th1,178th
40th
297th
214th
CSS Colors
93rd
229th
170th128th65th
129th
146th
Cubes
25th
Day of Week
287th742nd
122nd318th
743rd474th
225th1st
235th483rd
184th
432nd
DFA Simulator
15th
Diamonds
56th
58th
136th
520th
Divisors
1,457th
465th
614th
666th
334th
341st2,103rd
515th
701st444th640th
28th547th962nd
401st
2,702nd
1,561st
818th
Emirp Numbers
244th
369th
1,324th59th
169th
431st
215th
97th
57th530th
335th217th172nd
31st
295th395th
568th
Emirp Numbers (Long)
26th
175th423rd
173rd
89th
Emojify
66th
3rd
49th
270th274th
Evil Numbers
3,830th
1,048th
4,022nd751st631st
1,024th
514th339th851st602nd
556th
844th35th
3,242nd326th
902nd1st880th449th
774th1,075th812th1,649th
43rd1,244th910th
386th425th
787th887th746th1,080th1,761st1,117th
877th
Evil Numbers (Long)
309th
278th368th253rd
389th
31st
934th1st
1,154th668th
39th
100th
784th
Factorial Factorisation
201st
11th
Farey Sequence
321st
424th
63rd
359th
109th
60th298th49th
6th
76th
Fibonacci
192nd
882nd386th2,148th2,199th
341st423rd619th
2,533rd
369th1,859th1,119th
2,768th
1,095th3,675th794th1st391st
6,271st200th1,925th474th1,901st512th884th2,065th1,890th360th363rd353rd1,801st44th688th320th
334th959th
6,835th1,898th1,976th2,033rd
985th
2,892nd
Fizz Buzz
4,855th
1,292nd705th
1,414th3,405th1,918th
1,367th1,452nd1,201st4,333rd2,446th
5,169th
1st
7,003rd127th682nd2,422nd4,479th1,445th
122nd590th24th
58th1,614th111th
514th
3,170th2,451st
3,355th
1,943rd
Foo Fizz Buzz Bar
395th1,132nd
535th
321st
691st
244th
962nd984th816th
222nd286th252nd
11th429th213th
516th
875th
Forsyth–Edwards Notation
3rd245th
50th
7th
60th
Fractions
263rd
356th
231st
1st
160th
549th
312th214th
86th846th211th
10th
314th
Game of Life
208th
174th
92nd
15th182nd
25th
Gijswijt’s Sequence
135th
99th
Happy Numbers
328th
256th
317th
627th
163rd
184th105th241st
334th276th
1st223rd
122nd155th206th
30th347th376th
86th
437th455th
451st1,057th310th
Happy Numbers (Long)
185th
94th
33rd
264th664th
1st712th
76th141st
51st248th297th
67th
521st
Hexdump
108th
113th
16th80th
42nd
5th
Intersection
168th
49th306th
19th
Inventory Sequence
206th
219th
225th
63rd94th
152nd
46th
468th
ISBN
272nd
24th
305th
372nd
208th
Jacobi Symbol
15th
183rd
Kolakoski Constant
102nd
149th
Kolakoski Sequence
500th
113th
123rd
52nd164th
75th309th
200th
110th448th
394th
508th
Leap Years
1,102nd
553rd
1st237th
146th1,361st1,229th8th1,003rd
102nd780th1,624th
585th173rd96th
1,369th
Levenshtein Distance
101st227th
141st
329th
78th
45th214th💎
3rd
301st
Leyland Numbers
150th
398th
22nd
534th
ln 2
3rd
26th
158th
Look and Say
103rd
78th
30th
361st494th
11th357th
421st
123rd
166th
Lucky Numbers
53rd
62nd
40th
204th
70th47th
180th
Lucky Tickets
92nd
245th
56th
166th
Maze
7th
11th
226th
8th
12th
Medal Tally
133rd
234th
Morse Decoder
82nd
61st
50th
Morse Encoder
117th
Niven Numbers
602nd1,226th
234th388th585th694th
1,405th422nd
253rd995th855th
930th1st
2,858th108th339th303rd1st342nd522nd
222nd320th101st
46th1,015th87th
231st460th
1,309th1,251st543rd843rd2,427th720th
816th
Niven Numbers (Long)
278th686th
305th236th406th879th
203rd
86th
770th
575th20th
1,678th218th699th
1st426th568th
76th223rd
55th301st44th
101st510th
888th552nd417th
672nd
Number Spiral
68th
221st
135th
187th
104th476th
49th198th132nd
96th
548th
Odious Numbers
3,241st
885th
449th602nd
850th577th353rd210th871st482nd
713th
752nd33rd
2,680th696th
514th1st744th320th
724th774th663rd1,942nd1,105th41st805th766th
168th248th
638th633rd619th
1,961st801st
517th
Odious Numbers (Long)
1,208th
466th
392nd289th193rd
331st
31st
885th1st
584th571st
39th523rd
147th
908th
Ordinal Numbers
478th351st
785th
173rd
468th
51st
198th
148th189th
251st329th108th
95th
122nd3rd
PalindromemordnilaP
52nd
Pangram Grep
426th
1st
873rd1,151st
224th
528th197th
267th546th347th
53rd
170th385th
627th
Pascal’s Triangle
618th
789th
577th
1st
1,685th
171st
309th179th
115th208th202nd
132nd
Pernicious Numbers
593rd986th
541st
261st336th517th568th
1,026th367th
239th826th723rd
1,176th
659th1st1,481st
1,865th143rd1,174th322nd980th391st493rd
985th214th299th121st
35th918th179th
195th437th
1,051st821st843rd581st1,564th636th
612th
Pernicious Numbers (Long)
174th
195th
299th
940th626th
602nd331st
104th
157th
Poker
47th
Prime Numbers
1,134th1,713th
850th3,114th542nd
1,239th494th
1,635th
906th
243rd
675th316th
1st
159th595th1,285th1st353rd562nd
303rd515th296th862nd110th445th204th
220th
828th701st
1,246th2,095th719th
685th
Prime Numbers (Long)
686th
618th
327th
402nd
625th
149th
487th
1st
173rd
1,080th1st475th
425th
99th356th790th
297th
528th
Proximity Grid
47th
55th
61st43rd
39th
5th
Quine
1st
1,628th258th
2,817th2,045th4,047th1,453rd3,070th1,868th2,821st
1,540th618th1,597th1,848th
1,631st3,038th587th
148th697th2,078th
2,434th3,705th230th1,604th1,394th
1,280th3,058th
1,743rd524th1,378th608th1,766th164th1,539th576th
453rd1,380th
2,859th1,710th3,280th1,661st
1,596th141st3,222nd2,496th
Recamán
289th
250th
311th
349th249th
33rd221st
142nd
Repeating Decimals
53rd
17th117th
20th
1st
13th
Reverse Polish Notation
110th
1st
143rd
128th259th
82nd
Reversi
16th
72nd
Rijndael S-box
157th
62nd
445th
Roman to Arabic
307th
190th
20th
63rd
242nd
108th230th
40th1st
70th
806th
ROT13
90th100th
60th
175th
54th
234th
Rule 110
79th
13th
136th
63rd
15th
145th
Seven Segment
37th
SI Units
85th
108th
Sierpiński Triangle
391st
355th
15th370th
213th
245th
346th
Spelling Numbers
1st
167th
253rd
Sudoku
147th
Sudoku (Fill-in)
59th
204th
45th42nd
17th
Tic-tac-toe
237th286th
Time Distance
61st
39th
3rd
14th
Tongue-twisters
39th
1,666th122nd150th
109th
118th
164th112th
88th
152nd
92nd
71st
79th
18th
86th251st
76th
Transpose Sentence
232nd
1st
219th
123rd119th
74th
53rd
United States
145th
176th38th
240th2nd
97th
179th
Vampire Numbers
208th
Van Eck Sequence
216th
612th
457th
478th
Zeckendorf Representation
39th
47th
76th
88th
Zodiac Signs
10th
γ
121st
1st
267th
λ
1,334th
25th
22nd
7th
6th
119th
191st65th
32nd
10th
154th
π
22nd
1st413th
221st
444th
τ
24th
1st
463rd
1,006th
φ
1,010th
190th
283rd
93rd
14th391st
36th
412th
79th
1,204th
√2
209th
300th
142nd
12th
38th
133rd
𝑒
557th
357th
218th
16th
12th345th
62nd
848th
144th