Abundant Numbers
780
Abundant Numbers (Long)
909
Arithmetic Numbers
905
Collatz
867
CSS Colors
316
Divisors
979
Emirp Numbers
752
Evil Numbers
980
Evil Numbers (Long)
949
Factorial Factorisation
672
Fibonacci
984
Fizz Buzz
973
Happy Numbers
888
Kolakoski Sequence
864
Leap Years
919
ln 2
964
Look and Say
730
Lucky Numbers
851
Niven Numbers
954
Niven Numbers (Long)
879
Odious Numbers
976
Odious Numbers (Long)
945
Ordinal Numbers
883
Pangram Grep
917
Pascal’s Triangle
921
Pernicious Numbers
828
Prime Numbers
934
Quine
976
Recamán
857
Rock-paper-scissors-Spock-lizard
755
Roman to Arabic
700
ROT13
929
Sierpiński Triangle
814
Tic-tac-toe
710
π
764
τ
740
√2
972
𝑒
970