12 Days of Christmas
104
Abundant Numbers
582
Abundant Numbers (Long)
731
Arithmetic Numbers
675
Christmas Trees
756
Collatz
887
Cubes
51
Diamonds
480
Fibonacci
840956
Fizz Buzz
753
Foo Fizz Buzz Bar
784
Fractions
458
Happy Numbers
500
Happy Numbers (Long)
751
Hilbert Curve
92
Leap Years
734
ln 2
100
Look and Say
73
Lucky Numbers
14
Mandelbrot
34
Niven Numbers
535
Niven Numbers (Long)
659
Pascal’s Triangle
441
Quine
697
Semiprime Numbers
5
Tongue-twisters
356
Tower of Hanoi
15
Trinomial Triangle
37
γ
195
λ
200
π
111
τ
108
φ
106
√2
108
𝑒
84