99 Bottles of Beer
270th
Abundant Numbers
95th
Abundant Numbers (Long)
63rd
Arithmetic Numbers
53rd
ASCII Table
66th
Card Number Validation
1st
Catalan Numbers
1st
Christmas Trees
88th
Collatz
95th
Cubes
260th
Day of Week
67th
Diamonds
31st
Divisors
110th
Emojify
1st
Evil Numbers
1st
Evil Numbers (Long)
1st
Factorial Factorisation
86th
Fibonacci
1st
Fizz Buzz
20th
Foo Fizz Buzz Bar
123rd
Gijswijt’s Sequence
14th
Happy Numbers
43rd
Happy Numbers (Long)
58th
Intersection
81st
ISBN
64th
Kolakoski Sequence
61st
Leap Years
143rd1st7th
Leyland Numbers
83rd
ln 2
36th
Look and Say
258th
Lucky Numbers
28th
Lucky Tickets
35th
Niven Numbers
1st
Niven Numbers (Long)
1st
Odious Numbers
1st
Odious Numbers (Long)
1st
Ordinal Numbers
247th
PalindromemordnilaP
84th
Pangram Grep
1st
Pascal’s Triangle
18th
Pernicious Numbers
1st
Pernicious Numbers (Long)
25th
Prime Numbers
1st
Prime Numbers (Long)
1st
Quine
1st
Recamán
51st
Reverse Polish Notation
71st
Rock-paper-scissors-Spock-lizard
57th
Roman to Arabic
50th
SI Units
66th
Smith Numbers
49th
Sudoku (Fill-in)
34th
Transpose Sentence
44th
Vampire Numbers
55th
Van Eck Sequence
27th
φ
31st
√2
1st
𝑒
1st