12 Days of Christmas
336th
99 Bottles of Beer
430th
Abundant Numbers
35th
73rd
Arabic to Roman
35th
Christmas Trees
287th
Cubes
101st
Diamonds
155th
Divisors
56th555th131st
Emirp Numbers
30th
66th
Evil Numbers
54th
119th
Fibonacci
148th
229th
Fizz Buzz
193rd1,436th393rd
Happy Numbers
37th228th62nd
Leap Years
56th434th107th
Morse Decoder
87th14th
Morse Encoder
104th
Niven Numbers
62nd356th81st
Odious Numbers
44th334th95th
Ordinal Numbers
206th30th
Pangram Grep
225th34th
Pascal’s Triangle
209th47th
Pernicious Numbers
198th62nd
Prime Numbers
71st458th140th
Rock-paper-scissors-Spock-lizard
123rd
Roman to Arabic
138th
Rule 110
100th12th
Seven Segment
141st34th