12 Days of Christmas
89th
47th
24 Game
13th
8th
99 Bottles of Beer
50th
17th
Abundant Numbers
35th
7th
30th
1st
Abundant Numbers (Long)
18th11th
💎
27th
1st
Arabic to Roman
45th
Arithmetic Numbers
5th
1st
Arrows
18th
Ascending Primes
13th
12th
8th
ASCII Table
12th
9th
6th
Billiards
4th
2nd
brainfuck
19th
Card Number Validation
20th
11th
Catalan Numbers
4th
33rd
24th
208th
Catalan’s Constant
22nd
Christmas Trees
13th
14th
Collatz
20th11th
6th
27th
6th
Continued Fractions
8th
Cubes
351st
Day of Week
24th
18th
Diamonds
12th
8th
12th
Divisors
36th16th
1st
26th
1st
Emirp Numbers
11th
1st
16th
14th
Emirp Numbers (Long)
13th
12th
Evil Numbers
5th14th7th
1st
33rd
1st
15th
Evil Numbers (Long)
2nd15th1st
30th
1st
11th
Factorial Factorisation
12th
9th
19th
Farey Sequence
31st
22nd
89th
Fibonacci
47th13th60th32nd1st56th3rd1st1st8th46th17th18th26th43rd1st52nd71st35th23rd111th1st1st12th20th67th39th1st148th29th121st7th1st4th35th
74th51st1st23rd183rd18th276th71st22nd36th1st40th46th
Fizz Buzz
47th130th
44th
62nd
13th
28th
8th
Foo Fizz Buzz Bar
65th
28th
31st
13th
8th
Fractions
29th
15th
Game of Life
28th
19th
Gray Code Encoder
15th
7th
5th
1st
Happy Numbers
21st
12th
1st
Happy Numbers (Long)
15th
ISBN
62nd
32nd
Kaprekar Numbers
18th
5th
Kolakoski Constant
9th
7th
Kolakoski Sequence
37th
21st
226th
Leap Years
44th
4th
21st
Leyland Numbers
14th
18th
ln 2
6th
5th
34th
13th
5th
9th
77th
5th
Look and Say
7th
💎
Lucky Numbers
21st
17th
Mandelbrot
4th
Niven Numbers
1st
1st
1st
4th
1st
Niven Numbers (Long)
26th
15th
2nd
1st
Number Spiral
21st
5th
Odious Numbers
7th14th4th
1st
27th
1st
9th
Odious Numbers (Long)
5th9th2nd
27th
1st
11th
Ordinal Numbers
16th
Pangram Grep
24th
Partition Numbers
5th
2nd
Pascal’s Triangle
13th
5th
19th
1st
Pernicious Numbers
28th
1st
1st
1st
1st
14th
Pernicious Numbers (Long)
9th
5th
7th
9th
6th
Polyominoes
13th
Prime Numbers
13th
9th
1st
22nd
1st
50th
63rd
13th
Prime Numbers (Long)
22nd
3rd
27th
1st
Quine
141st27th
10th
39th
1st
1st
11th
83rd
9th
26th
Recamán
59th
32nd
Reverse Polish Notation
1st
ROT13
33rd
16th
Seven Segment
20th
8th
Sierpiński Triangle
32nd
17th
Smith Numbers
12th
Star Wars Opening Crawl
156th
Taxicab Numbers
6th
7th
Tower of Hanoi
27th
5th
1st
1st
28th
Transpose Sentence
1st
1st
Trinomial Triangle
9th
Vampire Numbers
5th
Van Eck Sequence
36th
25th
Zeckendorf Representation
16th
γ
25th
14th
λ
23rd
12th
21st
32nd
π
11th
4th
12th
18th
3rd
7th
42nd
9th
τ
11th
4th
12th
12th
3rd
5th
30th
φ
10th
9th
33rd
10th
11th
132nd
5th
√2
9th
7th
40th
17th
1st
19th
174th
5th
𝑒
55th13th
9th
37th
8th
7th
15th
12th
128th
6th
9th