12 Days of Christmas
388
Abundant Numbers
762
Abundant Numbers (Long)
833
Catalan Numbers
927
Christmas Trees
629
Collatz
763
CSS Colors
490
Cubes
396
Divisors
911
Emirp Numbers
882
Emirp Numbers (Long)
640
Evil Numbers
980
Evil Numbers (Long)
949
Fibonacci
932
Fizz Buzz
889
Foo Fizz Buzz Bar
781
Fractions
654
Game of Life
446
Happy Numbers
565
Happy Numbers (Long)
702
Inventory Sequence
802
Kolakoski Sequence
862
Leap Years
845
Leyland Numbers
810
Look and Say
600
Lucky Numbers
715
Niven Numbers
933
Niven Numbers (Long)
895
Odious Numbers
977
Odious Numbers (Long)
968
Ordinal Numbers
633
Pangram Grep
821
Pascal’s Triangle
901
Pernicious Numbers
811
Pernicious Numbers (Long)
861
Prime Numbers
980
Prime Numbers (Long)
971
Quine
945
Recamán
763
Reverse Polish Notation
649
Smith Numbers
568
Tongue-twisters
364
United States
468
Vampire Numbers
630
Van Eck Sequence
823
π
411
τ
402
φ
720
√2
972
𝑒
97065