12 Days of Christmas
99 Bottles of Beer
Abundant Numbers
33rd
Arabic to Roman
Christmas Trees
Cubes
Diamonds
Divisors
54th523rd130th
Emirp Numbers
29th
Evil Numbers
49th
Fibonacci
136th
Fizz Buzz
178th1,365th376th
Happy Numbers
34th214th56th
Leap Years
53rd403rd104th
Morse Decoder
Morse Encoder
Niven Numbers
57th326th75th
Odious Numbers
40th310th91st
Ordinal Numbers
Pangram Grep
Pascalβs Triangle
Pernicious Numbers
Prime Numbers
66th427th133rd
Rock-paper-scissors-Spock-lizard
Roman to Arabic
Rule 110
Seven Segment