12 Days of Christmas
809
99 Bottles of Beer
678
Abundant Numbers
798
661
Arabic to Roman
547
488
Arithmetic Numbers
772
Arrows
499
Christmas Trees
705
701
Diamonds
506
Divisors
905
Evil Numbers
727
Evil Numbers (Long)
714
Fibonacci
884939
935
Fizz Buzz
748734
958712945
Foo Fizz Buzz Bar
891
920
Forsyth–Edwards Notation
568
Fractions
520
Intersection
521
Kolakoski Sequence
707
Leap Years
897
771
Leyland Numbers
710
Niven Numbers
833
Niven Numbers (Long)
801
Odious Numbers
739
Odious Numbers (Long)
725
Ordinal Numbers
717
Pascal’s Triangle
724
702
Quine
706
946
Recamán
621
Seven Segment
542
Time Distance
659
Tongue-twisters
626
Van Eck Sequence
644
π
331