12 Days of Christmas
431
99 Bottles of Beer
902
Collatz
917
Evil Numbers
649
Evil Numbers (Long)
672
Fibonacci
110
943
ISBN
692
Leap Years
953
Niven Numbers
724
Niven Numbers (Long)
862
Number Spiral
610
Odious Numbers
649
Odious Numbers (Long)
672
Ordinal Numbers
653
Rock-paper-scissors-Spock-lizard
473
Seven Segment
485
SierpiΕski Triangle
118
Tongue-twisters
457
π
24