12 Days of Christmas
4th
99 Bottles of Beer
5th
Abundant Numbers
2nd
15th
128thAbundant Numbers (Long)
2nd
Arithmetic Numbers
5th
Ascending Primes
1st
ASCII Table
5th
Catalan Numbers
1st
Collatz
3rd
Diamonds
4th
Divisors
1st
1st
83rdEmirp Numbers
15th
2nd
Emirp Numbers (Long)
1st
Evil Numbers
1st
Evil Numbers (Long)
1st
Factorial Factorisation
3rd
Farey Sequence
1st
Fibonacci
20th
1st
1st
7th
Fizz Buzz
68th
12th
Foo Fizz Buzz Bar
10th
Forsyth–Edwards Notation
1st
Fractions
5th
Game of Life
4th
Gijswijt’s Sequence
2nd
Happy Numbers
7th
6th
31stHappy Numbers (Long)
5th
1st
ISBN
4th
20th
Kolakoski Sequence
2nd
Leap Years
12th
Leyland Numbers
12th
Look and Say
8th
Niven Numbers
3rd
15th
Niven Numbers (Long)
1st
Number Spiral
7th
Odious Numbers
1st
Odious Numbers (Long)
1st
Pangram Grep
8th
Pernicious Numbers
1st
Pernicious Numbers (Long)
1st
Prime Numbers
1st
Prime Numbers (Long)
1st
Quine
1st
1st
1st
1st
1st
52ndReverse Polish Notation
3rd
Rule 110
5th
Smith Numbers
4th
Van Eck Sequence
6th
π
3rd
τ
3rd
√2
13th
𝑒
26th