Abundant Numbers
797
Abundant Numbers (Long)
954
Arithmetic Numbers
948
Collatz
958
CSS Colors
330
Divisors
1,000
Emirp Numbers
782
Evil Numbers
1,000
Evil Numbers (Long)
976
Factorial Factorisation
699
Fibonacci
1,000
Fizz Buzz
983
Happy Numbers
912
Kolakoski Sequence
897
Leap Years
935
ln 2
1,000
Look and Say
755
Lucky Numbers
885
Niven Numbers
978
Niven Numbers (Long)
909
Odious Numbers
1,000
Odious Numbers (Long)
976
Ordinal Numbers
920
Pangram Grep
947
Pascal’s Triangle
947
Pernicious Numbers
851
Prime Numbers
952
Quine
1,000
Recamán
884
Rock-paper-scissors-Spock-lizard
771
Roman to Arabic
726
ROT13
971
Sierpiński Triangle
838
Tic-tac-toe
744
π
783
τ
765
√2
1,000
𝑒
1,000