12 Days of Christmas
85th
41st
24 Game
7th
99 Bottles of Beer
47th
13th
Abundant Numbers
34th
10th
24th
Abundant Numbers (Long)
17th
7th
21st
Arabic to Roman
41st
Arithmetic Numbers
11th
Arrows
17th
Ascending Primes
12th
7th
ASCII Table
11th
5th
6th
Billiards
2nd
brainfuck
16th
Card Number Validation
16th
8th
Catalan Numbers
7th
23rd
177th
Catalan’s Constant
33rd
Christmas Trees
11th
12th
Collatz
19th37th
7th
23rd
Cubes
326th
Day of Week
21st
17th
Diamonds
43rd
19th
Divisors
34th14th
6th
21st
Emirp Numbers
13th
Emirp Numbers (Long)
11th
Evil Numbers
11th
7th10th7th
26th
Evil Numbers (Long)
6th
1st9th1st
24th
Factorial Factorisation
12th
7th
14th
Farey Sequence
27th
21st
69th
Fibonacci
52nd6th43rd56th28th39th50th8th1st1st18th40th34th45th34th39th41st66th31st18th1st12th33rd116th138th25th111th6th1st
219th174th20th13th257th20th32nd43rd40th
Fizz Buzz
137th
52nd
56th
25th
8th
Foo Fizz Buzz Bar
59th
25th
26th
8th
Fractions
15th
Game of Life
28th
19th
Happy Numbers
18th
9th
Happy Numbers (Long)
13th
ISBN
32nd
Kaprekar Numbers
15th
10th
Kolakoski Constant
9th
7th
Kolakoski Sequence
35th
20th
Leap Years
39th
16th
Leyland Numbers
15th
ln 2
5th
4th
28th
9th
9th
68th
2nd
Look and Say
25th
17th
Lucky Numbers
14th
Mandelbrot
4th
Niven Numbers
23rd
17th
1st
Niven Numbers (Long)
31st
20th
1st
Number Spiral
17th
5th
Odious Numbers
10th
9th10th3rd
21st
Odious Numbers (Long)
6th
9th9th2nd
21st
Ordinal Numbers
16th
Partition Numbers
3rd
Pascal’s Triangle
12th
4th
14th
Pernicious Numbers
50th
31st
25th
Pernicious Numbers (Long)
13th
Prime Numbers
8th
16th
6th
20th
47th
339th
Prime Numbers (Long)
4th
19th
2nd
23rd
Quine
134th30th
22nd
28th
18th
10th
67th
9th
Recamán
51st
27th
Reverse Polish Notation
1st
ROT13
25th
15th
Seven Segment
17th
6th
Sierpiński Triangle
31st
16th
Smith Numbers
11th
Star Wars Opening Crawl
140th
Transpose Sentence
1st
Vampire Numbers
5th
Van Eck Sequence
33rd
22nd
γ
21st
6th
λ
13th
4th
18th
41st
π
4th
11th
4th
20th
16th
7th
64th
τ
3rd
10th
4th
19th
10th
5th
50th
φ
10th
8th
33rd
10th
168th
3rd
√2
9th
6th
33rd
14th
16th
170th
3rd
𝑒
53rd13th
9th
32nd
15th
11th
102nd
4th