12 Days of Christmas
2nd
99 Bottles of Beer
6th
Abundant Numbers
1st1st
21st110th22nd
Abundant Numbers (Long)
1st
23rd
Arithmetic Numbers
5th
Ascending Primes
1st
ASCII Table
5th
Calendar
3rd
Card Number Validation
4th
Catalan Numbers
1st
Collatz
2nd
Diamonds
5th
Divisors
1st1st
1st
Emirp Numbers
16th1st
Emirp Numbers (Long)
1st
Evil Numbers
29th
Evil Numbers (Long)
23rd
Factorial Factorisation
5th
Farey Sequence
1st
Fibonacci
131st
31st16th1st1st
16th
Fizz Buzz
77th10th
Foo Fizz Buzz Bar
10th
Forsyth–Edwards Notation
1st
Fractions
5th
Game of Life
5th
Gijswijt’s Sequence
2nd
Happy Numbers
10th
5th
70th
Happy Numbers (Long)
7th
4th
ISBN
3rd
24th
Kolakoski Sequence
1st
Leap Years
9th
Leyland Numbers
14th
Look and Say
6th
Niven Numbers
65th
8th27th3rd
24th
Niven Numbers (Long)
8th1st1st
Number Spiral
8th
Odious Numbers
35th
Odious Numbers (Long)
25th
PalindromemordnilaP
2nd
4th
Pangram Grep
7th
Pascal’s Triangle
1st
Pernicious Numbers
1st
Pernicious Numbers (Long)
1st
Prime Numbers
1st
Prime Numbers (Long)
1st
Quine
1st
1st
1st
42nd1st
80th
Reverse Polish Notation
3rd
ROT13
6th
Rule 110
3rd
Scrambled Sort
1st
Smith Numbers
4th
Tic-tac-toe
2nd
Tower of Hanoi
5th
Transpose Sentence
5th
Trinomial Triangle
4th
United States
7th
Vampire Numbers
11th
Van Eck Sequence
8th
π
1st
τ
1st
√2
16th
𝑒
29th