12 Days of Christmas
216
Abundant Numbers
593
Abundant Numbers (Long)
744
Arithmetic Numbers
686
Christmas Trees
777
Collatz
Cubes
48
Diamonds
490
Fibonacci
862961
Fizz Buzz
761
Foo Fizz Buzz Bar
797
Fractions
459
Happy Numbers
671
Happy Numbers (Long)
763
Hilbert Curve
40
Leap Years
741
ln 2
105
Look and Say
74
Lucky Numbers
14
Mandelbrot
12
Niven Numbers
548
Niven Numbers (Long)
675
Pascal’s Triangle
443
Quine
699
Tongue-twisters
536
Trinomial Triangle
37
γ
497
λ
514
π
111
τ
109
φ
106
√2
109
𝑒
87