12 Days of Christmas
111
Abundant Numbers
587
Abundant Numbers (Long)
736
Arithmetic Numbers
683
Collatz
695
Cubes
56
Diamonds
485
Fibonacci
842960
Fizz Buzz
756
Foo Fizz Buzz Bar
785
Happy Numbers
507
Happy Numbers (Long)
760
Leap Years
593
ln 2
99
Look and Say
74
Lucky Numbers
14
Niven Numbers
543
Niven Numbers (Long)
671
Pascalβs Triangle
438
Quine
697
Tongue-twisters
357
Ξ³
194
Ξ»
200
Ο
103
Ο
101
Ο
100
β2
102
π
83