12 Days of Christmas
91st
47th
24 Game
13th
8th
99 Bottles of Beer
50th
17th
Abundant Numbers
35th
6th
30th
1st
Abundant Numbers (Long)
19th11th
💎
27th
1st
Arabic to Roman
45th
Arithmetic Numbers
5th
1st
Arrows
18th
Ascending Primes
13th
13th
8th
ASCII Table
13th
9th
7th
Billiards
2nd
💎
brainfuck
19th
Card Number Validation
22nd
13th
Catalan Numbers
4th
33rd
24th
211th
Catalan’s Constant
24th
Christmas Trees
13th
14th
Collatz
22nd11th
6th
28th
8th
Continued Fractions
9th
Cubes
359th
Day of Week
17th
6th
Diamonds
11th
9th
12th
Divisors
37th17th
1st
26th
1st
Emirp Numbers
12th
1st
16th
15th
Emirp Numbers (Long)
27th
14th
13th
Evil Numbers
5th15th7th
1st
34th
1st
15th
Evil Numbers (Long)
2nd15th1st
31st
4th
11th
Factorial Factorisation
12th
9th
19th
Farey Sequence
31st
23rd
95th
Fibonacci
49th13th61st34th1st57th4th1st2nd8th46th17th18th26th1st1st53rd73rd35th23rd112th1st1st13th24th69th39th1st155th29th125th7th1st4th36th
75th51st1st23rd185th19th279th72nd22nd37th1st42nd46th
Fizz Buzz
48th133rd
44th
63rd
16th
28th
8th
Foo Fizz Buzz Bar
64th
28th
31st
16th
9th
Fractions
14th
15th
Game of Life
28th
19th
Gray Code Encoder
17th
10th
5th
1st
Happy Numbers
22nd
14th
1st
Happy Numbers (Long)
15th
ISBN
62nd
32nd
Kaprekar Numbers
19th
6th
Kolakoski Constant
9th
7th
Kolakoski Sequence
37th
21st
233rd
Leap Years
23rd
4th
22nd
19th
Leyland Numbers
14th
18th
ln 2
6th
5th
34th
14th
9th
9th
79th
5th
Look and Say
7th
💎
Lucky Numbers
22nd
18th
Mandelbrot
4th
Niven Numbers
1st
1st
1st
4th
1st
Niven Numbers (Long)
26th
15th
2nd
1st
Number Spiral
21st
5th
Odious Numbers
7th14th4th
1st
29th
1st
10th
Odious Numbers (Long)
6th9th2nd
29th
1st
11th
Ordinal Numbers
16th
Pangram Grep
Partition Numbers
6th
2nd
Pascal’s Triangle
12th
5th
20th
1st
Pernicious Numbers
29th1st1st
1st
1st
1st
14th
Pernicious Numbers (Long)
10th
5th
7th
12th
7th
Polyominoes
13th
Prime Numbers
13th
10th
1st
23rd
1st
52nd
69th
13th
Prime Numbers (Long)
23rd
5th
28th
1st
Quine
144th27th
10th
39th
1st
1st
11th
87th
9th
26th
Recamán
61st
33rd
Reverse Polish Notation
1st
ROT13
34th
16th
Seven Segment
21st
9th
Sierpiński Triangle
28th
17th
Smith Numbers
15th
Star Wars Opening Crawl
159th
Taxicab Numbers
7th
8th
Tower of Hanoi
16th
5th
1st
1st
28th
Transpose Sentence
1st
1st
Trinomial Triangle
11th
Vampire Numbers
6th
Van Eck Sequence
36th
25th
Zeckendorf Representation
16th
γ
25th
14th
λ
24th
12th
21st
34th
π
11th
4th
12th
19th
5th
7th
43rd
10th
τ
11th
4th
13th
14th
4th
5th
32nd
φ
10th
9th
35th
12th
12th
139th
5th
√2
9th
7th
41st
17th
1st
20th
181st
5th
𝑒
55th13th
9th
37th
8th
9th
17th
12th
132nd
6th
9th