12 Days of Christmas
228th
1,729th
721st
293rd
99 Bottles of Beer
61st55th
83rd
308th
181st
53rd
12th27th
99th
238th
Abundant Numbers
342nd
1,311th
630th12th
333rd307th1,729th
583rd132nd54th
284th
315th255th
Abundant Numbers (Long)
142nd
70th
12th
676th601st
88th84th439th
550th
Arabic to Roman
15th
64th
211th
116th159th
112th
328th
399th
571st
Arithmetic Numbers
262nd
85th
182nd
43rd
98th
355th
Arrows
347th
Ascending Primes
130th
312th
280th
313th
ASCII Table
174th
104th
1st
28th143rd
61st
21st
449th
brainfuck
119th
101st
33rd40th
54th
Card Number Validation
24th222nd
319th
Catalan Numbers
1st
907th
1,087th
448th
331st
140th
209th
553rd
285th
184th
42nd
118th
Catalan’s Constant
3rd
283rd
269th
Christmas Trees
102nd
154th
120th494th
322nd
38th
Collatz
65th929th
11th
347th428th1,210th
40th
313th
219th
CSS Colors
93rd
231st
172nd131st65th
130th
147th
Cubes
25th
Day of Week
319th772nd
126th354th
777th498th
231st1st
241st508th
189th
448th
DFA Simulator
15th
Diamonds
56th
58th
137th
529th
Divisors
1,489th
475th
572nd
682nd
341st
348th2,156th
527th
717th453rd656th
28th559th977th
409th
2,757th
1,592nd
846th
Emirp Numbers
251st
378th
1,342nd58th
181st
442nd
219th
96th
56th538th
342nd222nd184th
31st
302nd403rd
573rd
Emirp Numbers (Long)
25th
176th437th
173rd
87th
Emojify
66th
3rd
50th
276th279th
Evil Numbers
3,898th
1,062nd
4,085th762nd635th
1,039th
464th343rd861st606th
560th
854th35th
3,317th330th
914th1st891st453rd
785th1,096th820th1,682nd
43rd1,264th924th
389th434th
798th897th754th1,091st1,791st1,135th
888th
Evil Numbers (Long)
314th
275th373rd256th
395th
31st
955th1st
1,188th673rd
39th
102nd
800th
Factorial Factorisation
209th
11th
Farey Sequence
334th
439th
63rd
431st
116th
60th307th52nd
4th
76th
Fibonacci
199th
911th399th2,192nd2,243rd
350th436th643rd
2,583rd
382nd1,887th1,151st
2,825th
1,128th3,748th822nd1st404th
6,379th207th1,968th494th1,942nd533rd916th2,108th1,931st373rd376th366th1,825th44th717th329th
343rd700th
6,935th1,939th2,019th2,076th
1,017th
2,957th
Fizz Buzz
4,921st
1,308th716th
1,433rd3,458th1,940th
1,384th1,470th1,234th4,387th2,477th
5,239th
1st
7,065th129th693rd2,460th4,540th1,463rd
124th599th25th
60th1,631st113th
521st
3,216th2,486th
3,406th
1,961st
Foo Fizz Buzz Bar
413th1,318th
559th
320th
716th
363rd
999th1,022nd843rd
228th275th250th
12th442nd218th
534th
900th
Forsyth–Edwards Notation
3rd251st
52nd
7th
61st
Fractions
271st
374th
238th
1st
164th
568th
324th224th
88th869th216th
10th
318th
Game of Life
213th
177th
99th
15th277th
29th
Gijswijt’s Sequence
132nd
195th
Happy Numbers
344th
261st
315th
633rd
179th
172nd107th246th
350th281st
1st239th
124th158th210th
30th368th390th
88th
445th467th
463rd1,077th317th
Happy Numbers (Long)
179th
95th
34th
269th681st
1st731st
76th142nd
52nd253rd303rd
67th
534th
Hexdump
109th
114th
16th80th
42nd
5th
Intersection
171st
53rd317th
16th
Inventory Sequence
209th
219th
227th
62nd93rd
156th
45th
481st
ISBN
277th
24th
311th
377th
226th
Jacobi Symbol
13th
188th
Kolakoski Constant
99th
149th
Kolakoski Sequence
512th
112th
127th
52nd166th
74th264th
204th
110th456th
404th
517th
Leap Years
1,148th
573rd
1st250th
152nd1,412th1,275th9th1,044th
107th812th1,670th
609th179th101st
1,422nd
Levenshtein Distance
116th234th
102nd
338th
79th
46th218th💎
3rd
310th
Leyland Numbers
156th
410th
22nd
554th
ln 2
3rd
27th
172nd
Look and Say
105th
91st
31st
366th505th
11th361st
428th
165th
158th
Lucky Numbers
53rd
62nd
40th
207th
70th51st
183rd
Lucky Tickets
94th
249th
56th
164th
Maze
7th
11th
229th
8th
12th
Medal Tally
133rd
236th
Morse Decoder
83rd
61st
50th
Morse Encoder
119th
Niven Numbers
617th1,253rd
238th395th584th712th
1,437th430th
257th1,006th856th
950th1st
2,906th109th345th309th1st348th537th
226th326th102nd
47th1,046th88th
235th494th
1,334th1,278th558th884th2,468th738th
835th
Niven Numbers (Long)
279th700th
312th236th409th896th
203rd
86th
782nd
586th20th
1,714th218th713th
1st432nd580th
76th223rd
55th308th44th
101st508th
907th555th411th
686th
Number Spiral
69th
222nd
136th
187th
98th484th
49th199th131st
96th
557th
Odious Numbers
3,338th
908th
462nd626th
873rd593rd377th213th880th493rd
728th
773rd33rd
2,778th714th
524th1st759th317th
752nd791st685th2,013th1,144th41st826th783rd
171st251st
661st646th643rd
2,032nd818th
527th
Odious Numbers (Long)
1,250th
477th
398th294th196th
336th
31st
912th1st
600th585th
39th543rd
148th
946th
Ordinal Numbers
484th354th
799th
174th
473rd
48th
199th
149th190th
254th333rd109th
96th
119th3rd
PalindromemordnilaP
53rd
Pangram Grep
419th
1st
879th1,175th
236th
530th200th
261st552nd345th
135th
189th381st
622nd
Pascal’s Triangle
624th
806th
586th
1st
1,720th
171st
311th178th
115th207th201st
132nd
Pernicious Numbers
616th1,039th
563rd
270th395th539th591st
1,081st346th
247th872nd740th
1,243rd
692nd1st1,563rd
1,956th151st1,242nd332nd1,032nd371st515th
1,030th223rd308th128th
37th958th188th
204th450th
1,104th857th863rd604th1,641st668th
636th
Pernicious Numbers (Long)
197th
201st
306th
976th647th
621st342nd
102nd
160th
Poker
48th
Prime Numbers
1,144th1,748th
865th3,157th557th
1,254th458th
1,670th
920th
247th
687th323rd
1st
162nd610th1,311th1st362nd577th
310th530th303rd876th112th477th207th
224th
829th727th
1,270th2,130th731st
711th
Prime Numbers (Long)
711th
650th
336th
400th
478th
152nd
514th
1st
178th
1,120th1st501st
433rd
101st376th812th
305th
557th
Proximity Grid
47th
56th
61st43rd
39th
5th
Quine
28th
1,593rd252nd
2,738th1,986th3,940th1,338th2,976th1,884th2,727th
1,582nd1,243rd1,583rd1,779th
1,587th2,964th1,495th
522nd1,118th2,012th
2,385th3,573rd224th1,732nd1,424th
1,144th2,925th
1,618th468th1,397th1,484th1,756th155th1,612th1,107th
1st1,324th
2,743rd1,652nd3,185th1,722nd
1,606th2,426th3,107th2,395th
Recamán
296th
259th
318th
356th258th
33rd228th
144th
Repeating Decimals
53rd
17th118th
20th
1st
13th
Reverse Polish Notation
109th
1st
144th
130th268th
82nd
Reversi
16th
73rd
Rijndael S-box
161st
60th
448th
Roman to Arabic
312th
199th
20th
65th
251st
87th241st
42nd1st
72nd
824th
ROT13
95th106th
68th
180th
62nd
243rd
Rule 110
79th
13th
138th
64th
15th
146th
Seven Segment
37th
SI Units
88th
109th
Sierpiński Triangle
394th
358th
15th372nd
215th
246th
348th
Spelling Numbers
1st
168th
253rd
Sudoku
148th
Sudoku (Fill-in)
96th
209th
48th46th
16th
Tic-tac-toe
240th291st
Time Distance
62nd
39th
3rd
14th
Tongue-twisters
40th
1,700th121st153rd
106th
117th
164th111th
88th
154th
92nd
72nd
80th
18th
86th261st
77th
Transpose Sentence
237th
1st
230th
133rd127th
78th
56th
United States
155th
181st40th
254th2nd
104th
183rd
Vampire Numbers
215th
Van Eck Sequence
232nd
630th
471st
490th
Zeckendorf Representation
39th
48th
73rd
86th
Zodiac Signs
5th
γ
125th
1st
274th
λ
1,338th
24th
21st
7th
6th
118th
191st65th
32nd
11th
154th
π
23rd
1st425th
229th
455th
τ
25th
1st
472nd
1,029th
φ
1,039th
197th
288th
98th
15th392nd
38th
414th
83rd
1,237th
√2
223rd
329th
154th
13th
40th
145th
𝑒
578th
375th
233rd
17th
13th363rd
65th
869th
158th