12 Days of Christmas
211
Abundant Numbers
582
Abundant Numbers (Long)
730
Arithmetic Numbers
673
Christmas Trees
764
Collatz
886
Cubes
47
Diamonds
479
Fibonacci
858955
Fizz Buzz
753
Foo Fizz Buzz Bar
787
Fractions
459
Happy Numbers
661
Happy Numbers (Long)
750
Hilbert Curve
39
Leap Years
735
ln 2
104
Look and Say
73
Lucky Numbers
14
Mandelbrot
12
Niven Numbers
535
Niven Numbers (Long)
658
Pascal’s Triangle
440
Quine
697
Tongue-twisters
536
Tower of Hanoi
15
Trinomial Triangle
37
γ
495
λ
511
π
111
τ
108
φ
106
√2
108
𝑒
86