12 Days of Christmas
90th
46th
24 Game
8th
99 Bottles of Beer
50th
15th
Abundant Numbers
35th
12th
25th
Abundant Numbers (Long)
18th
7th
22nd
Arabic to Roman
44th
Arithmetic Numbers
11th
Arrows
18th
Ascending Primes
13th
8th
ASCII Table
12th
6th
6th
Billiards
4th
brainfuck
18th
Card Number Validation
18th
11th
Catalan Numbers
7th
24th
196th
Catalan’s Constant
36th
Christmas Trees
13th
14th
Collatz
20th39th
7th
26th
Continued Fractions
7th
Cubes
334th
Day of Week
22nd
18th
Diamonds
46th
21st
12th
Divisors
36th14th
5th
23rd
Emirp Numbers
14th
Emirp Numbers (Long)
12th
Evil Numbers
12th
8th10th7th
29th
Evil Numbers (Long)
7th
2nd9th1st
26th
Factorial Factorisation
12th
9th
18th
Farey Sequence
29th
22nd
80th
Fibonacci
52nd6th46th59th32nd44th56th14th1st1st19th46th37th52nd39th42nd50th73rd33rd22nd1st12th37th1st145th27th119th7th1st
227th191st22nd16th275th155th21st34th46th46th
Fizz Buzz
141st
55th
59th
26th
8th
Foo Fizz Buzz Bar
65th
29th
26th
8th
Fractions
15th
Game of Life
28th
18th
Happy Numbers
18th
9th
Happy Numbers (Long)
14th
ISBN
32nd
Kaprekar Numbers
17th
10th
Kolakoski Constant
9th
7th
Kolakoski Sequence
36th
22nd
Leap Years
49th
18th
Leyland Numbers
14th
16th
ln 2
6th
5th
32nd
10th
9th
86th
2nd
Look and Say
28th
18th
Lucky Numbers
21st
15th
Mandelbrot
5th
Niven Numbers
1st
1st
1st
Niven Numbers (Long)
24th
15th
1st
Number Spiral
20th
5th
Odious Numbers
11th
9th10th3rd
22nd
Odious Numbers (Long)
8th
9th9th2nd
22nd
Ordinal Numbers
16th
Partition Numbers
3rd
Pascal’s Triangle
12th
4th
16th
Pernicious Numbers
43rd
29th
26th
Pernicious Numbers (Long)
14th
Prime Numbers
10th
16th
6th
21st
50th
87th
Prime Numbers (Long)
5th
21st
2nd
26th
Quine
140th25th
23rd
32nd
1st
11th
76th
9th
Recamán
57th
29th
Reverse Polish Notation
1st
ROT13
30th
16th
Seven Segment
18th
6th
Sierpiński Triangle
31st
17th
Smith Numbers
12th
Star Wars Opening Crawl
149th
Tower of Hanoi
4th
24th
5th
1st
1st
25th
Transpose Sentence
1st
Vampire Numbers
5th
Van Eck Sequence
35th
24th
γ
21st
8th
λ
13th
4th
23rd
51st
π
4th
11th
4th
22nd
17th
7th
69th
τ
3rd
11th
4th
21st
11th
5th
54th
φ
10th
9th
36th
11th
176th
3rd
√2
9th
7th
38th
15th
18th
191st
3rd
𝑒
55th13th
9th
37th
7th
13th
12th
123rd
4th