12 Days of Christmas
91st
45th
24 Game
8th
99 Bottles of Beer
50th
16th
Abundant Numbers
35th
6th
28th
Abundant Numbers (Long)
18th11th
💎
26th
Arabic to Roman
44th
Arithmetic Numbers
5th
Arrows
18th
Ascending Primes
13th
8th
ASCII Table
12th
6th
6th
Billiards
4th
2nd
brainfuck
19th
Card Number Validation
20th
11th
Catalan Numbers
5th
30th
26th
206th
Catalan’s Constant
37th
Christmas Trees
13th
14th
Collatz
20th9th
5th
27th
Continued Fractions
8th
Cubes
344th
Day of Week
23rd
18th
Diamonds
12th
8th
12th
Divisors
36th15th
1st
25th
Emirp Numbers
33rd
1st
15th
Emirp Numbers (Long)
13th
Evil Numbers
13th
8th10th7th
1st
32nd
15th
Evil Numbers (Long)
7th
2nd9th1st
28th
11th
Factorial Factorisation
12th
9th
18th
Farey Sequence
31st
22nd
84th
Fibonacci
54th7th13th60th32nd1st56th14th1st1st7th46th17th5th26th42nd1st52nd67th35th22nd108th1st1st12th66th39th1st146th28th121st7th1st4th35th
73rd51st1st23rd184th18th277th70th22nd36th1st40th46th
Fizz Buzz
7th
48th128th
43rd
61st
28th
8th
Foo Fizz Buzz Bar
65th
28th
29th
8th
Fractions
28th
15th
Game of Life
28th
19th
Gray Code Encoder
15th
7th
5th
Happy Numbers
12th
9th
1st
Happy Numbers (Long)
15th
ISBN
61st
32nd
Kaprekar Numbers
16th
5th
Kolakoski Constant
9th
7th
Kolakoski Sequence
37th
23rd
Leap Years
42nd
3rd
19th
Leyland Numbers
14th
17th
ln 2
6th
5th
32nd
13th
9th
90th
4th
Look and Say
7th
💎
Lucky Numbers
21st
16th
Mandelbrot
4th
Niven Numbers
1st
1st
1st
1st
Niven Numbers (Long)
24th
15th
1st
Number Spiral
20th
5th
Odious Numbers
11th
9th10th3rd
1st
24th
9th
Odious Numbers (Long)
8th
9th9th2nd
24th
11th
Ordinal Numbers
16th
Partition Numbers
5th
2nd
Pascal’s Triangle
13th
5th
17th
Pernicious Numbers
1st
1st
1st
1st
13th
Pernicious Numbers (Long)
9th
5th
7th
6th
Prime Numbers
10th
16th
7th
1st
22nd
50th
61st
13th
Prime Numbers (Long)
5th
21st
3rd
27th
Quine
140th26th
9th
35th
1st
11th
82nd
9th
26th
Recamán
59th
31st
Reverse Polish Notation
1st
ROT13
32nd
16th
Seven Segment
18th
6th
Sierpiński Triangle
32nd
17th
Smith Numbers
12th
Star Wars Opening Crawl
156th
Taxicab Numbers
4th
6th
Tower of Hanoi
4th
25th
5th
1st
1st
27th
Transpose Sentence
1st
Vampire Numbers
5th
Van Eck Sequence
36th
25th
Zeckendorf Representation
16th
γ
21st
8th
λ
13th
4th
34th
56th
π
4th
11th
4th
23rd
18th
7th
72nd
8th
τ
3rd
11th
4th
22nd
11th
5th
57th
φ
10th
9th
36th
11th
181st
4th
√2
9th
7th
38th
17th
19th
200th
4th
𝑒
55th13th
9th
37th
8th
14th
12th
129th
6th
9th