Abundant Numbers
785
Abundant Numbers (Long)
917
Arithmetic Numbers
912
Collatz
871
CSS Colors
316
Divisors
985
Emirp Numbers
755
Evil Numbers
982
Evil Numbers (Long)
953
Factorial Factorisation
677
Fibonacci
987
Fizz Buzz
977
Happy Numbers
894
Kolakoski Sequence
866
Leap Years
922
ln 2
972
Look and Say
735
Lucky Numbers
861
Niven Numbers
963
Niven Numbers (Long)
890
Odious Numbers
980
Odious Numbers (Long)
951
Ordinal Numbers
887
Pangram Grep
923
Pascal’s Triangle
924
Pernicious Numbers
833
Prime Numbers
935
Quine
978
Recamán
865
Rock-paper-scissors-Spock-lizard
762
Roman to Arabic
704
ROT13
932
Sierpiński Triangle
823
Tic-tac-toe
717
π
766
τ
744
√2
982
𝑒
979