12 Days of Christmas
20th
99 Bottles of Beer
30th
Abundant Numbers
32nd
26th
Abundant Numbers (Long)
37th
Arabic to Roman
75th
Arithmetic Numbers
17th
31st
ASCII Table
36th
brainfuck
74th
Card Number Validation
23rd
Catalan Numbers
61st
Christmas Trees
53rd
Collatz
78th
CSS Colors
50th
Day of Week
1st
Divisors
30th
Emirp Numbers
41st
Emirp Numbers (Long)
29th
Emojify
32nd
Evil Numbers
7th
Evil Numbers (Long)
23rd21st
1st
Fibonacci
418th
Fizz Buzz
17th125th105th143rd1st28th
Fractions
22nd
24th
Happy Numbers
81st
ISBN
46th
50th
Leap Years
69th
1st
Look and Say
70th
Niven Numbers
59th
1st
Odious Numbers
11th
Odious Numbers (Long)
11th
Ordinal Numbers
88th
Pangram Grep
59th
62nd
Pernicious Numbers (Long)
39th
Prime Numbers
27th
85th
Quine
29th
Recamán
42nd
Reverse Polish Notation
33rd
Tongue-twisters
24th
United States
100th
Van Eck Sequence
21st