12 Days of Christmas
111
Abundant Numbers
589
Abundant Numbers (Long)
739
Arithmetic Numbers
686
Christmas Trees
772
Collatz
Cubes
51
Diamonds
485
Fibonacci
843961
Fizz Buzz
757
Foo Fizz Buzz Bar
788
Fractions
459
Happy Numbers
507
Happy Numbers (Long)
761
Hilbert Curve
94
Leap Years
740
ln 2
105
Look and Say
74
Lucky Numbers
14
Mandelbrot
34
Niven Numbers
543
Niven Numbers (Long)
672
Pascal’s Triangle
443
Quine
699
Tongue-twisters
358
Trinomial Triangle
37
γ
195
λ
201
π
111
τ
109
φ
106
√2
109
𝑒
86