12 Days of Christmas
855
99 Bottles of Beer
752
Abundant Numbers
703
Abundant Numbers (Long)
821
Arrows
207
Collatz
831
Divisors
809
Emirp Numbers
404
Emirp Numbers (Long)
450
Evil Numbers
834
Evil Numbers (Long)
814
Fibonacci
806787
Fizz Buzz
974987973
Foo Fizz Buzz Bar
627
Forsyth–Edwards Notation
474
Fractions
572
Happy Numbers
888
Leap Years
755
Odious Numbers
781
Odious Numbers (Long)
763
Pascal’s Triangle
729
Pernicious Numbers
382
Prime Numbers
871
Prime Numbers (Long)
602
Repeating Decimals
375
Smith Numbers
696
π
225