12 Days of Christmas
348th
99 Bottles of Beer
438th
Abundant Numbers
37th
75th
Arabic to Roman
35th
Christmas Trees
292nd
Cubes
103rd
Diamonds
157th
Divisors
57th564th132nd
Emirp Numbers
31st
66th
Evil Numbers
54th
119th
Fibonacci
155th
235th
Fizz Buzz
192nd1,451st398th
Happy Numbers
37th230th62nd
Leap Years
58th440th107th
Morse Decoder
89th14th
Morse Encoder
106th
Niven Numbers
60th362nd82nd
Odious Numbers
44th339th95th
Ordinal Numbers
210th30th
Pangram Grep
235th34th
Pascal’s Triangle
211th47th
Pernicious Numbers
200th63rd
Prime Numbers
72nd464th140th
Rock-paper-scissors-Spock-lizard
125th
Roman to Arabic
141st
Rule 110
101st12th
Seven Segment
144th34th