12 Days of Christmas
906
99 Bottles of Beer
726
Abundant Numbers
787
Christmas Trees
750
Collatz
949
Divisors
904
Emirp Numbers
579
Evil Numbers
784
Fibonacci
910
338Fizz Buzz
811
Happy Numbers
697
Morse Decoder
482
Niven Numbers
865
Odious Numbers
782
Pascal’s Triangle
633
Pernicious Numbers
723
Prime Numbers
664
Quine
966
945
Recamán
864
Roman to Arabic
619
Seven Segment
698
Sierpiński Triangle
684
Spelling Numbers
510