12 Days of Christmas
827
99 Bottles of Beer
412
869
Abundant Numbers
761
Abundant Numbers (Long)
912
Arithmetic Numbers
901
Catalan Numbers
710
Christmas Trees
697
Collatz
907
Divisors
619
1,000
Emirp Numbers
648
Emirp Numbers (Long)
717
Evil Numbers
816
Evil Numbers (Long)
788
Farey Sequence
218
702
Fizz Buzz
983
Foo Fizz Buzz Bar
1,000
Fractions
709
Happy Numbers
646
Happy Numbers (Long)
735
ISBN
562
Kolakoski Sequence
612
Leap Years
782
Lucky Tickets
676
Niven Numbers
936
Niven Numbers (Long)
893
Number Spiral
256
Pangram Grep
935
Pascal’s Triangle
1,000
Pernicious Numbers
714
Pernicious Numbers (Long)
765
Prime Numbers
909
Prime Numbers (Long)
978
Quine
969
Reverse Polish Notation
826
Rule 110
422
464
Sierpiński Triangle
104
Tongue-twisters
501
Vampire Numbers
98
Van Eck Sequence
862
π
270
145
164