99 Bottles of Beer
347
Christmas Trees
559
Divisors
690
Emirp Numbers
435
Evil Numbers
538
Fibonacci
725
Fizz Buzz
515
Happy Numbers
312
Leap Years
557
Look and Say
509
Morse Encoder
284
Niven Numbers
648
539
863
Odious Numbers
584
Ordinal Numbers
490
Pascalβs Triangle
396
Pernicious Numbers
558
Prime Numbers
552
Rock-paper-scissors-Spock-lizard
455