12 Days of Christmas
798th
99 Bottles of Beer
665th
Abundant Numbers
759th
Arrows
241st
Collatz
536th
Emirp Numbers
641st49th
Evil Numbers (Long)
469th
Fizz Buzz
1,609th311th
Foo Fizz Buzz Bar
529th
Leap Years
230th80th282nd70th496th
Niven Numbers (Long)
216th
Prime Numbers
744th
Rock-paper-scissors-Spock-lizard
257th
Sierpiński Triangle
361st