12 Days of Christmas
111
Abundant Numbers
589
Abundant Numbers (Long)
740
Arithmetic Numbers
687
Christmas Trees
772
Collatz
894
Cubes
51
Diamonds
486
Fibonacci
843961
Fizz Buzz
757
Foo Fizz Buzz Bar
790
Fractions
459
Happy Numbers
507
Happy Numbers (Long)
761
Hilbert Curve
93
Leap Years
740
ln 2
105
Look and Say
74
Lucky Numbers
14
Mandelbrot
34
Niven Numbers
544
Niven Numbers (Long)
672
Pascal’s Triangle
444
Quine
699
Tongue-twisters
358
Tower of Hanoi
15
Trinomial Triangle
37
γ
195
λ
201
π
111
τ
109
φ
106
√2
109
𝑒
86