99 Bottles of Beer
223rd
Abundant Numbers
10th
Abundant Numbers (Long)
1st
Arithmetic Numbers
3rd
ASCII Table
22nd
Card Number Validation
2nd
Catalan Numbers
1st
Christmas Trees
17th
Collatz
1st
Cubes
282nd
Day of Week
1st
Diamonds
16th
Divisors
1st
Emojify
1st
Evil Numbers
1st
Evil Numbers (Long)
1st
Factorial Factorisation
79th
Fibonacci
1st
Fizz Buzz
1st
Foo Fizz Buzz Bar
1st
Gijswijt’s Sequence
1st
Happy Numbers
1st
Happy Numbers (Long)
3rd
Intersection
3rd
ISBN
8th
1st
Kolakoski Sequence
19th
Leap Years
143rd1st7th
Leyland Numbers
7th
ln 2
1st
Look and Say
252nd
Lucky Numbers
3rd
Lucky Tickets
1st
Niven Numbers
1st
Niven Numbers (Long)
1st
Odious Numbers
1st
Odious Numbers (Long)
1st
Ordinal Numbers
230th
PalindromemordnilaP
67th
Pangram Grep
1st
Pascal’s Triangle
1st
Pernicious Numbers
1st
Pernicious Numbers (Long)
1st
Prime Numbers
1st
Prime Numbers (Long)
1st
Quine
1st
Recamán
4th
Reverse Polish Notation
36th
Rock-paper-scissors-Spock-lizard
6th
Roman to Arabic
1st
SI Units
60th
Smith Numbers
7th
Sudoku (Fill-in)
12th
Transpose Sentence
18th
Vampire Numbers
8th
Van Eck Sequence
1st
φ
1st
√2
1st
𝑒
1st