12 Days of Christmas
111
Abundant Numbers
581
Abundant Numbers (Long)
729
Arithmetic Numbers
673
Christmas Trees
765
Collatz
886
Cubes
51
Diamonds
479
Fibonacci
840955
Fizz Buzz
753
Foo Fizz Buzz Bar
787
Fractions
459
Happy Numbers
499
Happy Numbers (Long)
749
Hilbert Curve
93
Leap Years
734
ln 2
104
Look and Say
73
Lucky Numbers
14
Mandelbrot
34
Niven Numbers
534
Niven Numbers (Long)
658
Pascal’s Triangle
440
Quine
697
Tongue-twisters
358
Tower of Hanoi
15
Trinomial Triangle
37
γ
196
λ
201
π
111
τ
108
φ
106
√2
108
𝑒
86