12 Days of Christmas
85th
41st
24 Game
7th
99 Bottles of Beer
47th
13th
Abundant Numbers
35th
10th
24th
Abundant Numbers (Long)
18th
7th
21st
Arabic to Roman
41st
Arithmetic Numbers
11th
Arrows
17th
Ascending Primes
13th
7th
ASCII Table
12th
5th
6th
Billiards
2nd
brainfuck
16th
Card Number Validation
16th
8th
Catalan Numbers
7th
23rd
184th
Catalan’s Constant
33rd
Christmas Trees
11th
12th
Collatz
19th37th
7th
23rd
Cubes
327th
Day of Week
21st
18th
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
8th
14th
Farey Sequence
27th
21st
70th
Fibonacci
52nd6th44th56th28th39th50th8th1st1st18th41st35th47th37th41st42nd68th32nd18th1st12th33rd121st138th26th112th6th1st
219th176th20th13th260th20th34th44th41st
Fizz Buzz
137th
52nd
57th
25th
8th
Foo Fizz Buzz Bar
59th
25th
26th
8th
Fractions
15th
Game of Life
28th
18th
Happy Numbers
18th
9th
Happy Numbers (Long)
13th
ISBN
32nd
Kaprekar Numbers
15th
10th
Kolakoski Constant
9th
7th
Kolakoski Sequence
35th
20th
Leap Years
42nd
16th
Leyland Numbers
15th
ln 2
5th
4th
28th
9th
9th
72nd
2nd
Look and Say
25th
17th
Lucky Numbers
19th
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
15th
Pernicious Numbers
53rd
33rd
25th
Pernicious Numbers (Long)
13th
Prime Numbers
8th
16th
6th
20th
49th
345th
Prime Numbers (Long)
4th
19th
2nd
24th
Quine
133rd30th
22nd
29th
18th
10th
67th
9th
Recamán
52nd
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
34th
22nd
γ
20th
6th
λ
13th
4th
18th
41st
π
4th
11th
4th
21st
16th
7th
65th
τ
3rd
10th
4th
20th
10th
5th
50th
φ
10th
8th
34th
10th
169th
3rd
√2
9th
6th
33rd
14th
18th
173rd
3rd
𝑒
54th13th
9th
32nd
15th
11th
106th
4th