12 Days of Christmas
425
99 Bottles of Beer
819
Collatz
887
Evil Numbers
631
Evil Numbers (Long)
644
Fibonacci
109925
ISBN
659
Leap Years
934
Niven Numbers
704
Niven Numbers (Long)
827
Number Spiral
574
Odious Numbers
629
Odious Numbers (Long)
642
Ordinal Numbers
630
Rock-paper-scissors-Spock-lizard
456
Seven Segment
456
SierpiΕski Triangle
115
Tongue-twisters
448
π
21