99 Bottles of Beer
281st
Abundant Numbers
98th
Abundant Numbers (Long)
66th
Arithmetic Numbers
59th
ASCII Table
68th
Card Number Validation
1st
Catalan Numbers
1st
Christmas Trees
90th
Collatz
101st
Cubes
263rd
Day of Week
71st
Diamonds
31st
Divisors
118th
Emojify
1st
Evil Numbers
1st
Evil Numbers (Long)
1st
Factorial Factorisation
94th
Fibonacci
1st
Fizz Buzz
21st
Foo Fizz Buzz Bar
131st
Gijswijt’s Sequence
14th
Happy Numbers
49th
Happy Numbers (Long)
65th
Intersection
87th
ISBN
68th
Kolakoski Sequence
64th
Leap Years
149th1st7th
Leyland Numbers
86th
ln 2
42nd
Look and Say
268th
Lucky Numbers
29th
Lucky Tickets
41st
Niven Numbers
1st
Niven Numbers (Long)
1st
Odious Numbers
1st
Odious Numbers (Long)
1st
Ordinal Numbers
255th
PalindromemordnilaP
94th
Pangram Grep
1st
Pascal’s Triangle
22nd
Pernicious Numbers
1st
Pernicious Numbers (Long)
28th
Prime Numbers
1st
Prime Numbers (Long)
1st
Quine
1st
Recamán
56th
Reverse Polish Notation
74th
Rock-paper-scissors-Spock-lizard
59th
Roman to Arabic
55th
SI Units
70th
Smith Numbers
53rd
Sudoku (Fill-in)
36th
Transpose Sentence
47th
Vampire Numbers
60th
Van Eck Sequence
34th
φ
33rd
√2
1st
𝑒
1st