12 Days of Christmas
2nd
99 Bottles of Beer
5th
Abundant Numbers
1st
19th86th15th
Abundant Numbers (Long)
1st
15th
Arithmetic Numbers
5th
Ascending Primes
1st
ASCII Table
4th
Card Number Validation
2nd
Catalan Numbers
1st
Collatz
2nd
Diamonds
4th
Divisors
1st1st
1st
Emirp Numbers
16th1st
Emirp Numbers (Long)
1st
Evil Numbers
24th
Evil Numbers (Long)
18th
Factorial Factorisation
3rd
Farey Sequence
1st
Fibonacci
116th
26th12th1st1st
14th
Fizz Buzz
74th10th
Foo Fizz Buzz Bar
9th
Forsyth–Edwards Notation
1st
Fractions
5th
Game of Life
3rd
Gijswijt’s Sequence
2nd
Happy Numbers
7th
4th
46th
Happy Numbers (Long)
6th
3rd
ISBN
3rd
22nd
Kolakoski Sequence
1st
Leap Years
8th
Leyland Numbers
12th
Look and Say
4th
Niven Numbers
54th
6th23rd2nd
20th
Niven Numbers (Long)
7th1st1st
Number Spiral
7th
Odious Numbers
31st
Odious Numbers (Long)
21st
PalindromemordnilaP
1st
4th
Pangram Grep
4th
Pascal’s Triangle
1st
Pernicious Numbers
1st
Pernicious Numbers (Long)
1st
Prime Numbers
1st
Prime Numbers (Long)
1st
Quine
1st
1st
1st
1st1st
56th
Reverse Polish Notation
3rd
ROT13
4th
Rule 110
2nd
Smith Numbers
3rd
Tic-tac-toe
2nd
Transpose Sentence
4th
Van Eck Sequence
6th
π
1st
τ
1st
√2
13th
𝑒
26th