99 Bottles of Beer
261st
Abundant Numbers
89th
Abundant Numbers (Long)
60th
Arithmetic Numbers
50th
ASCII Table
65th
Card Number Validation
1st
Catalan Numbers
1st
Christmas Trees
87th
Collatz
94th
Cubes
254th
Day of Week
62nd
Diamonds
31st
Divisors
106th
Emojify
1st
Evil Numbers
1st
Evil Numbers (Long)
1st
Factorial Factorisation
80th
Fibonacci
1st
Fizz Buzz
19th
Foo Fizz Buzz Bar
119th
Gijswijt’s Sequence
13th
Happy Numbers
41st
Happy Numbers (Long)
56th
Intersection
80th
ISBN
62nd
Kolakoski Sequence
60th
Leap Years
141st1st7th
Leyland Numbers
80th
ln 2
33rd
Look and Say
251st
Lucky Numbers
28th
Lucky Tickets
35th
Niven Numbers
1st
Niven Numbers (Long)
1st
Odious Numbers
1st
Odious Numbers (Long)
1st
Ordinal Numbers
245th
PalindromemordnilaP
81st
Pangram Grep
1st
Pascal’s Triangle
17th
Pernicious Numbers
1st
Pernicious Numbers (Long)
24th
Prime Numbers
1st
Prime Numbers (Long)
1st
Quine
1st
Recamán
51st
Reverse Polish Notation
68th
Rock-paper-scissors-Spock-lizard
55th
Roman to Arabic
49th
SI Units
65th
Smith Numbers
49th
Sudoku (Fill-in)
32nd
Transpose Sentence
42nd
Vampire Numbers
55th
Van Eck Sequence
27th
φ
29th
√2
1st
𝑒
1st