99 Bottles of Beer
207th
Abundant Numbers
10th
Abundant Numbers (Long)
1st
Arithmetic Numbers
ASCII Table
20th
Card Number Validation
1st
Catalan Numbers
1st
Christmas Trees
16th
Collatz
1st
Cubes
266th
Day of Week
1st
Diamonds
15th
Divisors
1st
Emojify
1st
Evil Numbers
1st
Evil Numbers (Long)
1st
Factorial Factorisation
68th
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
18th
Leap Years
140th1st6th
Leyland Numbers
6th
ln 2
1st
Look and Say
236th
Lucky Numbers
3rd
Lucky Tickets
1st
Niven Numbers
1st
Niven Numbers (Long)
1st
Odious Numbers
1st
Odious Numbers (Long)
1st
Ordinal Numbers
219th
PalindromemordnilaP
60th
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
31st
Rock-paper-scissors-Spock-lizard
5th
Roman to Arabic
1st
SI Units
57th
Smith Numbers
7th
Sudoku (Fill-in)
11th
Transpose Sentence
18th
Vampire Numbers
7th
Van Eck Sequence
1st
φ
1st
√2
1st
𝑒
1st