Abundant Numbers
845
Abundant Numbers (Long)
825
Collatz
765
CSS Colors
270
Divisors
985
Emirp Numbers
886
Evil Numbers
958
Evil Numbers (Long)
952
Fibonacci
987
Fizz Buzz
956
Happy Numbers
812
Kolakoski Sequence
879
Leap Years
921
ln 2
885
Look and Say
781
Lucky Numbers
815
Niven Numbers
959
Niven Numbers (Long)
886
Odious Numbers
956
Odious Numbers (Long)
949
Ordinal Numbers
932
Pangram Grep
943
Pascal’s Triangle
903
Pernicious Numbers
832
Prime Numbers
934
Quine
977
Recamán
897
Rock-paper-scissors-Spock-lizard
758
Roman to Arabic
772
ROT13
795
Sierpiński Triangle
897
Tic-tac-toe
557
π
646
τ
634
√2
977
𝑒
976