12 Days of Christmas
99 Bottles of Beer
Abundant Numbers
33rd
Arabic to Roman
Christmas Trees
Cubes
Diamonds
Divisors
54th
520th
130th
Emirp Numbers
29th
Evil Numbers
48th
Fibonacci
135th
Fizz Buzz
176th
1,357th
374th
Happy Numbers
34th
213th
56th
Leap Years
53rd
401st
103rd
Morse Decoder
Morse Encoder
Niven Numbers
56th
326th
74th
Odious Numbers
39th
310th
90th
Ordinal Numbers
Pangram Grep
Pascalβs Triangle
Pernicious Numbers
Prime Numbers
66th
427th
131st
Rock-paper-scissors-Spock-lizard
Roman to Arabic
Rule 110
Seven Segment