99 Bottles of Beer
258th
Abundant Numbers
12th
Abundant Numbers (Long)
3rd
Arithmetic Numbers
3rd
ASCII Table
26th
Card Number Validation
3rd
Catalan Numbers
1st
Christmas Trees
26th
Collatz
4th
Cubes
306th
Day of Week
1st
Diamonds
21st
Divisors
1st
Emojify
1st
Evil Numbers
1st
Evil Numbers (Long)
1st
Factorial Factorisation
103rd
Fibonacci
1st
Fizz Buzz
1st
Foo Fizz Buzz Bar
1st
Gijswijt’s Sequence
1st
Happy Numbers
1st
Happy Numbers (Long)
8th
Intersection
7th
ISBN
7th
1st
Kolakoski Sequence
23rd
Leap Years
160th5th8th
Leyland Numbers
10th
ln 2
1st
Look and Say
289th
Lucky Numbers
10th
Lucky Tickets
1st
Niven Numbers
1st
Niven Numbers (Long)
1st
Odious Numbers
1st
Odious Numbers (Long)
1st
Ordinal Numbers
249th
PalindromemordnilaP
91st
Pangram Grep
1st
Pascal’s Triangle
1st
Pernicious Numbers
1st
Pernicious Numbers (Long)
1st
Prime Numbers
1st
Prime Numbers (Long)
1st
Quine
1st
Recamán
8th
Reverse Polish Notation
46th
Rock-paper-scissors-Spock-lizard
9th
Roman to Arabic
1st
SI Units
75th
Smith Numbers
9th
Sudoku (Fill-in)
17th
Transpose Sentence
23rd
Vampire Numbers
12th
Van Eck Sequence
1st
φ
1st
√2
1st
𝑒
1st