12 Days of Christmas
109
Abundant Numbers
582
Abundant Numbers (Long)
730
Arithmetic Numbers
673
Christmas Trees
764
Collatz
886
Cubes
51
Diamonds
479
Fibonacci
840955
Fizz Buzz
753
Foo Fizz Buzz Bar
783
Fractions
459
Happy Numbers
499
Happy Numbers (Long)
750
Hilbert Curve
93
Leap Years
734
ln 2
104
Look and Say
73
Lucky Numbers
14
Mandelbrot
34
Niven Numbers
535
Niven Numbers (Long)
658
Pascal’s Triangle
440
Quine
697
Tongue-twisters
358
Tower of Hanoi
15
Trinomial Triangle
37
γ
194
λ
201
π
111
τ
108
φ
106
√2
108
𝑒
86