99 Bottles of Beer
283rd
Abundant Numbers
100th
Abundant Numbers (Long)
69th
Arithmetic Numbers
59th
ASCII Table
69th
Card Number Validation
1st
Catalan Numbers
1st
Christmas Trees
90th
Collatz
102nd
Cubes
263rd
Day of Week
74th
Diamonds
32nd
Divisors
118th
Emojify
1st
Evil Numbers
1st
Evil Numbers (Long)
1st
Factorial Factorisation
94th
Fibonacci
1st
Fizz Buzz
21st
Foo Fizz Buzz Bar
132nd
Gijswijt’s Sequence
14th
Happy Numbers
50th
Happy Numbers (Long)
65th
Intersection
88th
ISBN
68th
Kolakoski Sequence
64th
Leap Years
149th1st7th
Leyland Numbers
86th
ln 2
42nd
Look and Say
273rd
Lucky Numbers
30th
Lucky Tickets
41st
Niven Numbers
1st
Niven Numbers (Long)
1st
Odious Numbers
1st
Odious Numbers (Long)
1st
Ordinal Numbers
255th
PalindromemordnilaP
95th
Pangram Grep
1st
Pascal’s Triangle
22nd
Pernicious Numbers
1st
Pernicious Numbers (Long)
28th
Prime Numbers
1st
Prime Numbers (Long)
1st
Quine
1st
Recamán
58th
Reverse Polish Notation
74th
Rock-paper-scissors-Spock-lizard
59th
Roman to Arabic
56th
SI Units
70th
Smith Numbers
54th
Sudoku (Fill-in)
37th
Transpose Sentence
48th
Vampire Numbers
60th
Van Eck Sequence
34th
φ
33rd
√2
1st
𝑒
1st