12 Days of Christmas
22nd
99 Bottles of Beer
19th
Abundant Numbers
7th
Abundant Numbers (Long)
9th
Card Number Validation
13th
Christmas Trees
13th
Day of Week
29th
Divisors
9th
Evil Numbers
28th
139th
Evil Numbers (Long)
21st
Fibonacci
1st
107th
Fizz Buzz
35th8th1st1st
Foo Fizz Buzz Bar
15th
Happy Numbers
38th
Happy Numbers (Long)
20th
Hexdump
8th
ISBN
21st
Leap Years
24th
379th
Look and Say
17th
Lucky Numbers
29th
Morse Encoder
10th
Niven Numbers
50th
Niven Numbers (Long)
25th
Odious Numbers
28th
Odious Numbers (Long)
20th
PalindromemordnilaP
1st
132nd
Partition Numbers
12th
Pascal’s Triangle
39th
237th
Prime Numbers
24th
Prime Numbers (Long)
17th
Quine
1st
1st
Reverse Polish Notation
13th
Rock-paper-scissors-Spock-lizard
10th
ROT13
12th
Scrambled Sort
14th
Trinomial Triangle
8th
Vampire Numbers
15th
Van Eck Sequence
22nd
Zeckendorf Representation
12th