12 Days of Christmas
216
Abundant Numbers
593
Abundant Numbers (Long)
745
Arithmetic Numbers
687
Christmas Trees
778
Collatz
899
Cubes
48
Diamonds
490
Fibonacci
862961
Fizz Buzz
761
Foo Fizz Buzz Bar
798
Fractions
460
Happy Numbers
672
Happy Numbers (Long)
764
Hilbert Curve
40
Leap Years
741
ln 2
105
Look and Say
74
Lucky Numbers
14
Mandelbrot
12
Niven Numbers
548
Niven Numbers (Long)
676
Pascal’s Triangle
444
Quine
699
Tongue-twisters
536
Tower of Hanoi
15
Trinomial Triangle
37
γ
497
λ
514
π
111
τ
109
φ
106
√2
109
𝑒
87