12 Days of Christmas
221
Abundant Numbers
625
Abundant Numbers (Long)
795
Arithmetic Numbers
738
Collatz
742
Cubes
58
Diamonds
524
Fibonacci
8851,000
Fizz Buzz
779
Foo Fizz Buzz Bar
844
Happy Numbers
720
Happy Numbers (Long)
830
Hilbert Curve
110
Leap Years
772
ln 2
108
Look and Say
81
Lucky Numbers
15
Mandelbrot
13
Niven Numbers
575
Niven Numbers (Long)
720
Pascal’s Triangle
476
Quine
738
Tongue-twisters
548
Trinomial Triangle
41
γ
559
λ
558
π
108
τ
108
φ
107
√2
110
𝑒
87