99 Bottles of Beer
266th
Abundant Numbers
15th
Abundant Numbers (Long)
1st
Arithmetic Numbers
ASCII Table
32nd
Card Number Validation
4th
Catalan Numbers
1st
Christmas Trees
26th
Collatz
4th
Cubes
313th
Day of Week
1st
Diamonds
24th
Divisors
25th
Emojify
1st
Evil Numbers
1st
Evil Numbers (Long)
1st
Factorial Factorisation
110th
Fibonacci
1st
Fizz Buzz
1st
Foo Fizz Buzz Bar
1st
Gijswijt’s Sequence
1st
Happy Numbers
1st
Happy Numbers (Long)
8th
Intersection
8th
ISBN
7th
1st
Kolakoski Sequence
24th
Leap Years
168th6th11th
Leyland Numbers
12th
ln 2
1st
Look and Say
298th
Lucky Numbers
11th
Lucky Tickets
1st
Niven Numbers
1st
Niven Numbers (Long)
1st
Odious Numbers
1st
Odious Numbers (Long)
1st
Ordinal Numbers
258th
PalindromemordnilaP
97th
Pangram Grep
1st
Pascal’s Triangle
1st
Pernicious Numbers
1st
Pernicious Numbers (Long)
1st
Prime Numbers
1st
Prime Numbers (Long)
1st
Quine
1st
Recamán
10th
Reverse Polish Notation
48th
Rock-paper-scissors-Spock-lizard
10th
Roman to Arabic
1st
SI Units
78th
Smith Numbers
15th
Sudoku (Fill-in)
21st
Transpose Sentence
25th
Vampire Numbers
15th
Van Eck Sequence
1st
φ
1st
√2
1st
𝑒
1st