12 Days of Christmas
637
99 Bottles of Beer
837
Abundant Numbers
800
Arabic to Roman
660
Christmas Trees
782
Collatz
971
Diamonds
638
Divisors
919
Emirp Numbers
739
Evil Numbers
833
Fibonacci
947
559
Fizz Buzz
951
Happy Numbers
738
Morse Decoder
491
Morse Encoder
567
Odious Numbers
800
Pascal’s Triangle
857
Pernicious Numbers
741
Prime Numbers
755
Quine
1,000
969
Recamán
886
Roman to Arabic
700
Seven Segment
735
Sierpiński Triangle
699