99 Bottles of Beer
607
Christmas Trees
642
Divisors
728
Emirp Numbers
537
Evil Numbers
538
Fibonacci
725
Fizz Buzz
565
Happy Numbers
402
Leap Years
558
Look and Say
625
Morse Encoder
415
Niven Numbers
651591866
Odious Numbers
585
Ordinal Numbers
602
Pascalβs Triangle
428
Pernicious Numbers
558
Prime Numbers
553
Rock-paper-scissors-Spock-lizard
670