99 Bottles of Beer
1,057th
Abundant Numbers
627th
Abundant Numbers (Long)
55th
Arithmetic Numbers
48th
ASCII Table
284th
Card Number Validation
4th
Catalan Numbers
42nd
Christmas Trees
363rd
Collatz
371st
Cubes
858th
Day of Week
62nd
Diamonds
64th
Divisors
28th
Emojify
3rd
Evil Numbers
47th
Evil Numbers (Long)
43rd
Factorial Factorisation
492nd
Fibonacci
45th
Fizz Buzz
60th
Foo Fizz Buzz Bar
11th
Gijswijt’s Sequence
7th
Happy Numbers
31st
Happy Numbers (Long)
37th
Intersection
20th
ISBN
1,470th
7th
Kolakoski Sequence
280th
Leap Years
1,838th208th208th
Leyland Numbers
25th
ln 2
28th
Look and Say
1,045th
Lucky Numbers
13th
Lucky Tickets
13th
Niven Numbers
49th
Niven Numbers (Long)
56th
Odious Numbers
45th
Odious Numbers (Long)
43rd
Ordinal Numbers
1,030th
PalindromemordnilaP
261st
Pangram Grep
33rd
Pascal’s Triangle
51st
Pernicious Numbers
39th
Pernicious Numbers (Long)
34th
Prime Numbers
118th
Prime Numbers (Long)
107th
Quine
168th
Recamán
37th
Reverse Polish Notation
120th
Rock-paper-scissors-Spock-lizard
31st
Roman to Arabic
46th
SI Units
296th
Smith Numbers
48th
Sudoku (Fill-in)
111th
Transpose Sentence
83rd
Vampire Numbers
67th
Van Eck Sequence
13th
φ
38th
√2
40th
𝑒
69th