12 Days of Christmas
216
Abundant Numbers
592
Abundant Numbers (Long)
742
Arithmetic Numbers
684
Collatz
699
Cubes
53
Diamonds
490
Fibonacci
861960
Fizz Buzz
761
Foo Fizz Buzz Bar
796
Happy Numbers
671
Happy Numbers (Long)
763
Leap Years
594
ln 2
98
Look and Say
74
Lucky Numbers
14
Mandelbrot
12
Niven Numbers
548
Niven Numbers (Long)
675
Pascal’s Triangle
438
Quine
698
Tongue-twisters
535
γ
495
λ
513
π
101
τ
99
φ
98
√2
101
𝑒
81