12 Days of Christmas
2nd
99 Bottles of Beer
6th
Abundant Numbers
1st
21st96th18th
Abundant Numbers (Long)
1st
18th
Arithmetic Numbers
5th
Ascending Primes
1st
ASCII Table
5th
Card Number Validation
4th
Catalan Numbers
1st
Collatz
2nd
Diamonds
5th
Divisors
1st1st
1st
Emirp Numbers
16th1st
Emirp Numbers (Long)
1st
Evil Numbers
26th
Evil Numbers (Long)
20th
Factorial Factorisation
4th
Farey Sequence
1st
Fibonacci
124th
28th15th1st1st
15th
Fizz Buzz
76th10th
Foo Fizz Buzz Bar
10th
Forsyth–Edwards Notation
1st
Fractions
5th
Game of Life
5th
Gijswijt’s Sequence
2nd
Happy Numbers
8th
4th
57th
Happy Numbers (Long)
7th
3rd
ISBN
3rd
22nd
Kolakoski Sequence
1st
Leap Years
9th
Leyland Numbers
12th
Look and Say
5th
Niven Numbers
62nd
6th25th3rd
23rd
Niven Numbers (Long)
7th1st1st
Number Spiral
8th
Odious Numbers
33rd
Odious Numbers (Long)
23rd
PalindromemordnilaP
1st
4th
Pangram Grep
5th
Pascal’s Triangle
1st
Pernicious Numbers
1st
Pernicious Numbers (Long)
1st
Prime Numbers
1st
Prime Numbers (Long)
1st
Quine
1st
1st
1st
30th1st
70th
Reverse Polish Notation
3rd
ROT13
5th
Rule 110
2nd
Smith Numbers
3rd
Tic-tac-toe
2nd
Transpose Sentence
5th
Trinomial Triangle
3rd
United States
6th
Vampire Numbers
10th
Van Eck Sequence
6th
π
1st
τ
1st
√2
15th
𝑒
28th