Abundant Numbers
844
Abundant Numbers (Long)
824
Collatz
764
CSS Colors
270
Divisors
984
Emirp Numbers
885
Evil Numbers
957
Evil Numbers (Long)
950
Fibonacci
986
Fizz Buzz
956
Happy Numbers
812
Kolakoski Sequence
895
Leap Years
920
ln 2
883
Look and Say
780
Lucky Numbers
829
Niven Numbers
959
Niven Numbers (Long)
885
Odious Numbers
955
Odious Numbers (Long)
948
Ordinal Numbers
931
Pangram Grep
942
Pascal’s Triangle
903
Pernicious Numbers
832
Prime Numbers
934
Quine
976
Recamán
896
Rock-paper-scissors-Spock-lizard
757
Roman to Arabic
772
Sierpiński Triangle
897
π
645
τ
633
√2
977
𝑒
975