12 Days of Christmas
104
Abundant Numbers
582
Abundant Numbers (Long)
730
Arithmetic Numbers
674
Christmas Trees
765
Collatz
887
Cubes
51
Diamonds
479
Fibonacci
840956
Fizz Buzz
753
Foo Fizz Buzz Bar
783
Fractions
458
Happy Numbers
499
Happy Numbers (Long)
751
Hilbert Curve
93
Leap Years
734
ln 2
100
Look and Say
73
Lucky Numbers
14
Mandelbrot
34
Niven Numbers
535
Niven Numbers (Long)
659
Pascal’s Triangle
440
Quine
697
Tongue-twisters
357
Tower of Hanoi
15
Trinomial Triangle
37
γ
194
λ
201
π
111
τ
108
φ
106
√2
108
𝑒
84