12 Days of Christmas
89th
43rd
24 Game
7th
99 Bottles of Beer
50th
15th
Abundant Numbers
35th
11th
25th
Abundant Numbers (Long)
18th
7th
22nd
Arabic to Roman
44th
Arithmetic Numbers
11th
Arrows
18th
Ascending Primes
13th
7th
ASCII Table
12th
6th
6th
Billiards
2nd
brainfuck
18th
Card Number Validation
18th
11th
Catalan Numbers
7th
23rd
194th
Catalan’s Constant
36th
Christmas Trees
13th
13th
Collatz
20th39th
7th
24th
Cubes
331st
Day of Week
22nd
18th
Diamonds
45th
21st
Divisors
36th14th
5th
22nd
Emirp Numbers
13th
Emirp Numbers (Long)
11th
Evil Numbers
12th
8th10th7th
28th
Evil Numbers (Long)
7th
2nd9th1st
26th
Factorial Factorisation
12th
9th
16th
Farey Sequence
29th
22nd
78th
Fibonacci
52nd6th46th59th32nd42nd56th13th1st1st19th43rd36th52nd38th42nd48th71st33rd20th1st12th36th140th144th27th118th6th1st
226th189th21st16th273rd21st34th46th46th
Fizz Buzz
140th
55th
58th
26th
8th
Foo Fizz Buzz Bar
62nd
27th
26th
8th
Fractions
15th
Game of Life
28th
18th
Happy Numbers
18th
9th
Happy Numbers (Long)
14th
ISBN
32nd
Kaprekar Numbers
16th
10th
Kolakoski Constant
9th
7th
Kolakoski Sequence
36th
22nd
Leap Years
48th
17th
Leyland Numbers
15th
ln 2
5th
32nd
10th
9th
84th
2nd
Look and Say
27th
18th
Lucky Numbers
21st
15th
Mandelbrot
5th
Niven Numbers
23rd
17th
1st
Niven Numbers (Long)
33rd
21st
1st
Number Spiral
19th
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
54th
36th
27th
Pernicious Numbers (Long)
13th
Prime Numbers
9th
16th
7th
20th
49th
358th
Prime Numbers (Long)
5th
20th
3rd
26th
Quine
138th24th
23rd
31st
1st
11th
73rd
9th
Recamán
56th
29th
Reverse Polish Notation
1st
ROT13
29th
15th
Seven Segment
18th
6th
Sierpiński Triangle
31st
17th
Smith Numbers
12th
Star Wars Opening Crawl
147th
Transpose Sentence
1st
Vampire Numbers
5th
Van Eck Sequence
35th
24th
γ
21st
8th
λ
13th
4th
22nd
49th
π
4th
11th
4th
21st
16th
7th
67th
τ
3rd
11th
4th
20th
11th
5th
52nd
φ
10th
9th
36th
11th
176th
3rd
√2
9th
7th
38th
14th
18th
187th
3rd
𝑒
54th13th
9th
37th
15th
11th
120th
4th