12 Days of Christmas
8th
238th
24 Game
5th
4th
99 Bottles of Beer
144th
9th
560th
10th12th
Abundant Numbers
318th
13th
186th
12th
Abundant Numbers (Long)
166th
9th
135th
Arabic to Roman
8th
Arithmetic Numbers
95th
18th
19th
80th
Ascending Primes
9th6th
ASCII Table
407th
6th
brainfuck
106th
378th
Card Number Validation
158th
Catalan Numbers
27th
243rd
9th5th
Catalan’s Constant
15th
8th
21st
11th
11th
8th
6th
7th
6th
4th11th
Christmas Trees
18th
11th
29th
2nd
845th
32nd8th
Collatz
24th21st
44th
29th
29th60th
265th
23rd
8th
12th
CSS Colors
13th
Cubes
7th
18th
Day of Week
173rd
Diamonds
14th
48th
6th
96th
10th
Divisors
33rd
462nd55th
4th
126th
12th
14th
Emirp Numbers
20th
34th
13th40th
652nd
6th
Emirp Numbers (Long)
343rd
Emojify
7th
81st
Evil Numbers
30th
46th
31st
639th
16th
11th
Evil Numbers (Long)
24th
19th
399th
Factorial Factorisation
19th
Farey Sequence
20th
21st
237th
Fibonacci
525th
61st
7th
129th
33rd
1st
127th
82nd
69th46th
Fizz Buzz
89th
764th
46th
1st152nd
9th
372nd
231st
45th369th
50th21st64th46th
Foo Fizz Buzz Bar
905th
Gijswijt’s Sequence
11th
Happy Numbers
9th
7th
Happy Numbers (Long)
401st
Inventory Sequence
257th
Kolakoski Constant
9th
44th
12th
15th
16th17th
162nd
15th
7th
9th4th
Kolakoski Sequence
40th
9th
Leap Years
12th
403rd
16th
Leyland Numbers
25th
9th
9th7th
ln 2
34th
Look and Say
25th
14th
13th
9th
Lucky Numbers
274th
Medal Tally
84th
Morse Decoder
16th
172nd
Morse Encoder
15th
Niven Numbers
16th
25th
47th
74th
16th
Niven Numbers (Long)
12th
498th
Number Spiral
214th
Odious Numbers
1st
30th
327th
10th
Odious Numbers (Long)
1st
16th
240th
Pangram Grep
3rd
Pascal’s Triangle
39th
37th
9th
Pernicious Numbers
1st
661st
10th
Pernicious Numbers (Long)
1st
291st
6th
Polyominoes
101st
Prime Numbers
1st
339th
24th
527th
132nd
23rd11th
Prime Numbers (Long)
1st
278th
72nd
Quine
144th
1st
85th
Recamán
10th
10th
Reverse Polish Notation
261st
Rijndael S-box
21st
ROT13
163rd
Seven Segment
7th
Sierpiński Triangle
11th15th14th19th
71st41st42nd15th12th11th
20th21st19th12th18th11th
29th15th33rd
18th16th37th124th23rd18th28th18th17th11th24th28th29th9th350th14th34th54th35th8th
12th17th10th
11th8th17th
Smith Numbers
9th
Sudoku
138th
Tongue-twisters
10th
21st
255th
10th
Tower of Hanoi
7th
Trinomial Triangle
14th
United States
13th
359th
Vampire Numbers
4th
Van Eck Sequence
51st
17th
12th
γ
18th
7th
5th
λ
13th
71st51st
9th
28th10th
26th
16th
17th7th
22nd
12th
13th22nd
164th
19th38th20th
13th8th
10th6th
π
135th
206th80th
46th
424th
6th
τ
9th
6th
φ
14th42nd
46th16th
77th
41st22nd
374th
6th
√2
42nd
6th
𝑒
29th15th23rd10th89th73rd
15th
51st33rd16th34th16th27th
17th
40th
23rd
10th56th121st78th
39th12th22nd10th44th26th51st13th430th99th16th72nd27th
27th9th12th13th6th11th7th14th