99 Bottles of Beer
611
Christmas Trees
653
Divisors
740
Emirp Numbers
548
Evil Numbers
548
Fibonacci
735
Fizz Buzz
569
Happy Numbers
411
Leap Years
566
Look and Say
643
Morse Encoder
424
Niven Numbers
667
617
880
Odious Numbers
597
Ordinal Numbers
618
Pascalβs Triangle
439
Pernicious Numbers
571
Prime Numbers
563
Rock-paper-scissors-Spock-lizard
679