12 Days of Christmas
26th
Abundant Numbers
34th
Christmas Trees
26th
Divisors
30th
Emirp Numbers
14th
Evil Numbers
36th
Fibonacci
81st
Fizz Buzz
2,429th134th
Happy Numbers
32nd
Leap Years
44th
Morse Decoder
9th
Morse Encoder
10th
Niven Numbers
42nd
Odious Numbers
37th
Ordinal Numbers
16th
Pangram Grep
33rd
Pascal’s Triangle
21st
Pernicious Numbers
40th
Prime Numbers
23rd
Seven Segment
11th
Spelling Numbers
8th