Abundant Numbers
860
Abundant Numbers (Long)
846
Collatz
803
CSS Colors
281
Divisors
1,000
Emirp Numbers
902
Evil Numbers
1,000
Evil Numbers (Long)
976
Factorial Factorisation
553
Fibonacci
1,000
Fizz Buzz
964
Happy Numbers
1,000
Kolakoski Sequence
911
Leap Years
935
ln 2
981
Look and Say
800
Lucky Numbers
852
Niven Numbers
978
Niven Numbers (Long)
909
Odious Numbers
1,000
Odious Numbers (Long)
976
Ordinal Numbers
957
Pangram Grep
968
Pascal’s Triangle
926
Pernicious Numbers
851
Prime Numbers
952
Quine
1,000
Recamán
917
Rock-paper-scissors-Spock-lizard
769
Roman to Arabic
796
ROT13
843
Sierpiński Triangle
915
Tic-tac-toe
576
π
699
τ
682
√2
1,000
𝑒
1,000