12 Days of Christmas
99 Bottles of Beer
Abundant Numbers
208
Arabic to Roman
Christmas Trees
Cubes
Diamonds
Divisors
476
452
220
Emirp Numbers
120
Evil Numbers
103
Fibonacci
371
Fizz Buzz
229
503
152
Happy Numbers
114
140
121
Leap Years
274
581
618
Morse Decoder
Morse Encoder
Niven Numbers
183
233
293
Odious Numbers
106
234
229
Ordinal Numbers
Pangram Grep
Pascalβs Triangle
Pernicious Numbers
Prime Numbers
119
130
83
Rock-paper-scissors-Spock-lizard
Roman to Arabic
Rule 110
Seven Segment