12 Days of Christmas
200
99 Bottles of Beer
805
Abundant Numbers
798
Abundant Numbers (Long)
853
Arabic to Roman
291
Arithmetic Numbers
875
Arrows
493
Ascending Primes
204
ASCII Table
457
Card Number Validation
804
Collatz
923
CSS Colors
204
Day of Week
907
Divisors
517886
Emirp Numbers
633
Evil Numbers
917
Evil Numbers (Long)
908
Factorial Factorisation
653
Farey Sequence
794
Fibonacci
871959
Fizz Buzz
722973
Foo Fizz Buzz Bar
876
Forsyth–Edwards Notation
307
Happy Numbers
890
Leap Years
828
Leyland Numbers
763
ln 2
900
Look and Say
809
Niven Numbers
938
Niven Numbers (Long)
876
Odious Numbers
923
Odious Numbers (Long)
905
Ordinal Numbers
670
Pascal’s Triangle
527
Pernicious Numbers
541
Prime Numbers
731
Prime Numbers (Long)
720
Recamán
811
Set
531
Spelling Numbers
448
United States
81
π
472
τ
432