Abundant Numbers
773
Abundant Numbers (Long)
925
ASCII Table
731
Catalan Numbers
863
Christmas Trees
721
Collatz
895
Divisors
1,000
Emirp Numbers
773
Emirp Numbers (Long)
704
Evil Numbers
870
Evil Numbers (Long)
854
Fibonacci
947
Fizz Buzz
983
Foo Fizz Buzz Bar
1,000
Fractions
753
Happy Numbers
775
Happy Numbers (Long)
889
Inventory Sequence
831
Leap Years
860
Leyland Numbers
986
Look and Say
747
Lucky Numbers
720
Niven Numbers
800
Niven Numbers (Long)
893
Odious Numbers
870
Odious Numbers (Long)
872
Ordinal Numbers
730
Pascal’s Triangle
931
Pernicious Numbers
784
Pernicious Numbers (Long)
839
Poker
698
Prime Numbers
851
Prime Numbers (Long)
917
Quine
969
Recamán
953
Repeating Decimals
478
Roman to Arabic
715
Smith Numbers
794
Time Distance
705
Tongue-twisters
742
Vampire Numbers
774
Van Eck Sequence
862
π
461
τ
455
φ
716
√2
721
𝑒
716