12 Days of Christmas
21st
99 Bottles of Beer
8th
Abundant Numbers
5th
40th
Abundant Numbers (Long)
1st
Arabic to Roman
11th
Arithmetic Numbers
5th
15th
3rd
ASCII Table
11th
Billiards
2nd
brainfuck
7th
6th
Card Number Validation
4th
Catalan Numbers
13th
Christmas Trees
26th
21st
67th
Collatz
3rd
CSS Colors
1st
Cubes
8th
Day of Week
1st
Diamonds
10th
12th
22nd
Divisors
17th
1st
51st
Emirp Numbers
35th
8th
6th
Emirp Numbers (Long)
9th
Emojify
8th
Evil Numbers
29th
1st
1st
23rd
Evil Numbers (Long)
22nd
5th
47th
26th
Factorial Factorisation
8th
Farey Sequence
14th
4th
Fibonacci
1st
13th51st4th48th2nd
20th45th
38th1st16th1st4th1st21st7th10th
Fizz Buzz
33rd1st
13th
84th
Foo Fizz Buzz Bar
14th
Fractions
12th
1st
Game of Life
4th
Happy Numbers
18th
50th
Happy Numbers (Long)
2nd
36th
Hexdump
13th
Intersection
11th
Inventory Sequence
5th
ISBN
3rd
Kaprekar Numbers
4th
Kolakoski Constant
9th
Kolakoski Sequence
1st
Leap Years
7th
1st
6th
18th
4th
Levenshtein Distance
6th
53rd
Leyland Numbers
16th
41st
Look and Say
12th
Mandelbrot
1st
Maze
10th
Medal Tally
5th
Niven Numbers
20th
45th
22nd
1st
7th
Niven Numbers (Long)
17th
16th
1st
Number Spiral
11th
6th
Odious Numbers
26th
1st
1st
21st
Odious Numbers (Long)
21st
5th
1st
22nd
Ordinal Numbers
11th
PalindromemordnilaP
5th
Pangram Grep
8th
Partition Numbers
12th
Pascal’s Triangle
1st
1st
Pernicious Numbers
25th
52nd
39th
22nd
27th52nd
1st
1st
24th
Prime Numbers
1st
70th
Prime Numbers (Long)
16th
79th
Quine
1st1st
1st
7th
1st
92nd
1st
Recamán
7th
Reverse Polish Notation
1st
16th
ROT13
9th
Seven Segment
20th
Sierpiński Triangle
15th
43rd
Smith Numbers
7th
Spelling Numbers
65th
9th
Tic-tac-toe
6th
Tongue-twisters
7th
Tower of Hanoi
10th
Transpose Sentence
3rd
Vampire Numbers
4th
7th
37th
Van Eck Sequence
1st
π
7th
√2
10th
𝑒
9th
4th