99 Bottles of Beer
270th
Abundant Numbers
93rd
Abundant Numbers (Long)
62nd
Arithmetic Numbers
53rd
ASCII Table
65th
Card Number Validation
1st
Catalan Numbers
1st
Christmas Trees
88th
Collatz
95th
Cubes
257th
Day of Week
65th
Diamonds
31st
Divisors
108th
Emojify
1st
Evil Numbers
1st
Evil Numbers (Long)
1st
Factorial Factorisation
84th
Fibonacci
1st
Fizz Buzz
19th
Foo Fizz Buzz Bar
122nd
Gijswijt’s Sequence
14th
Happy Numbers
42nd
Happy Numbers (Long)
57th
Intersection
80th
ISBN
64th
Kolakoski Sequence
61st
Leap Years
142nd1st7th
Leyland Numbers
81st
ln 2
33rd
Look and Say
255th
Lucky Numbers
28th
Lucky Tickets
35th
Niven Numbers
1st
Niven Numbers (Long)
1st
Odious Numbers
1st
Odious Numbers (Long)
1st
Ordinal Numbers
246th
PalindromemordnilaP
84th
Pangram Grep
1st
Pascal’s Triangle
17th
Pernicious Numbers
1st
Pernicious Numbers (Long)
25th
Prime Numbers
1st
Prime Numbers (Long)
1st
Quine
1st
Recamán
51st
Reverse Polish Notation
70th
Rock-paper-scissors-Spock-lizard
56th
Roman to Arabic
50th
SI Units
65th
Smith Numbers
49th
Sudoku (Fill-in)
32nd
Transpose Sentence
43rd
Vampire Numbers
55th
Van Eck Sequence
27th
φ
31st
√2
1st
𝑒
1st