12 Days of Christmas
99 Bottles of Beer
Abundant Numbers
3,615th
Arabic to Roman
Christmas Trees
Cubes
Diamonds
Divisors
4,264th4,316th4,495th
Emirp Numbers
2,640th
Evil Numbers
4,328th
Fibonacci
7,525th
Fizz Buzz
11,690th9,369th11,922nd
Happy Numbers
2,660th2,634th2,637th
Leap Years
3,815th3,293rd3,147th
Morse Decoder
Morse Encoder
Niven Numbers
3,451st3,423rd3,369th
Odious Numbers
3,492nd3,424th3,430th
Ordinal Numbers
Pangram Grep
Pascalβs Triangle
Pernicious Numbers
Prime Numbers
4,638th4,633rd4,655th
Rock-paper-scissors-Spock-lizard
Roman to Arabic
Rule 110
Seven Segment