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
14th
3rd
ASCII Table
9th
Billiards
2nd
brainfuck
6th
6th
Card Number Validation
4th
Catalan Numbers
12th
Christmas Trees
26th
19th
67th
Collatz
3rd
CSS Colors
1st
Cubes
8th
Day of Week
Diamonds
9th
12th
22nd
Divisors
15th
1st
49th
Emirp Numbers
35th
8th
6th
Emirp Numbers (Long)
9th
Emojify
8th
Evil Numbers
29th
1st
1st
23rd
Evil Numbers (Long)
22nd
5th
44th
26th
Factorial Factorisation
8th
Farey Sequence
13th
4th
Fibonacci
1st
12th51st4th47th2nd
19th42nd
34th1st16th1st4th1st20th7th10th
Fizz Buzz
33rd1st
13th
74th
Foo Fizz Buzz Bar
14th
Fractions
12th
1st
Game of Life
4th
Happy Numbers
18th
50th
Happy Numbers (Long)
2nd
35th
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
51st
Leyland Numbers
16th
40th
Look and Say
12th
Mandelbrot
1st
Maze
10th
Medal Tally
5th
Niven Numbers
19th
45th
21st
1st
7th
Niven Numbers (Long)
17th
16th
1st
Number Spiral
10th
6th
Odious Numbers
26th
1st
1st
21st
Odious Numbers (Long)
21st
5th
1st
22nd
Ordinal Numbers
11th
PalindromemordnilaP
5th
Pangram Grep
7th
Partition Numbers
12th
Pascal’s Triangle
1st
1st
Pernicious Numbers
22nd
50th
38th
21st
23rd48th
1st
1st
24th
Prime Numbers
1st
68th
Prime Numbers (Long)
16th
77th
Quine
1st1st
1st
1st
1st
86th
1st
Recamán
7th
Reverse Polish Notation
1st
16th
ROT13
9th
Seven Segment
20th
Sierpiński Triangle
15th
42nd
Smith Numbers
7th
Spelling Numbers
61st
9th
Tic-tac-toe
6th
Tongue-twisters
7th
Tower of Hanoi
10th
Transpose Sentence
3rd
Vampire Numbers
4th
7th
36th
Van Eck Sequence
1st
π
7th
√2
10th
𝑒
9th
2nd