12 Days of Christmas
336th
99 Bottles of Beer
430th
Abundant Numbers
35th
73rd
Arabic to Roman
35th
Christmas Trees
288th
Cubes
101st
Diamonds
156th
Divisors
56th559th131st
Emirp Numbers
30th
66th
Evil Numbers
55th
119th
Fibonacci
150th
233rd
Fizz Buzz
193rd1,441st394th
Happy Numbers
37th230th62nd
Leap Years
58th435th107th
Morse Decoder
87th14th
Morse Encoder
104th
Niven Numbers
62nd357th81st
Odious Numbers
45th335th95th
Ordinal Numbers
206th30th
Pangram Grep
227th34th
Pascal’s Triangle
209th47th
Pernicious Numbers
198th62nd
Prime Numbers
71st461st140th
Rock-paper-scissors-Spock-lizard
125th
Roman to Arabic
138th
Rule 110
100th12th
Seven Segment
142nd34th