99 Bottles of Beer
6th
33rd
26th
137thAbundant Numbers
Arabic to Roman
Arrows
Christmas Trees
Collatz
Cubes
Diamonds
Divisors
Emojify
Evil Numbers
Evil Numbers (Long)
Fibonacci
43rd
1st
Fizz Buzz
56th
1st
Foo Fizz Buzz Bar
Forsyth–Edwards Notation
Intersection
ISBN
Leap Years
5th
31st
Look and Say
Lucky Tickets
Niven Numbers
Niven Numbers (Long)
Odious Numbers
Odious Numbers (Long)
Pangram Grep
Pascal’s Triangle
Prime Numbers
Quine
114th
Recamán
Rock-paper-scissors-Spock-lizard
Tongue-twisters
Van Eck Sequence
π