12 Days of Christmas
20th
99 Bottles of Beer
32nd
Abundant Numbers
33rd
26th
Abundant Numbers (Long)
38th
Arabic to Roman
77th
Arithmetic Numbers
18th
32nd
ASCII Table
37th
brainfuck
75th
Card Number Validation
23rd
Catalan Numbers
62nd
Christmas Trees
53rd
Collatz
83rd
CSS Colors
52nd
Day of Week
1st
Divisors
30th
Emirp Numbers
42nd
Emirp Numbers (Long)
32nd
Emojify
32nd
Evil Numbers
7th
Evil Numbers (Long)
23rd23rd
1st
Fibonacci
424th
Fizz Buzz
18th127th108th145th1st
Fractions
22nd
25th
Happy Numbers
81st
ISBN
48th
50th
Leap Years
69th
1st
Look and Say
71st
Niven Numbers
60th
1st
Odious Numbers
11th
Odious Numbers (Long)
11th
Ordinal Numbers
90th
Pangram Grep
59th
62nd
Pernicious Numbers (Long)
41st
Prime Numbers
29th
88th
Quine
30th
Recamán
42nd
Reverse Polish Notation
33rd
Tongue-twisters
25th
United States
102nd
Van Eck Sequence
21st