12 Days of Christmas
81st475th
99 Bottles of Beer
374th
Christmas Trees
307th
CSS Colors
197th
Diamonds
418th
Emirp Numbers
582nd
Evil Numbers
787th
Fibonacci
911th
Fizz Buzz
669th
Happy Numbers
536th
Happy Numbers (Long)
283rd
Leap Years
444th
Leyland Numbers
205th
Look and Say
248th
Morse Encoder
210th
Ordinal Numbers
292nd
Rock-paper-scissors-Spock-lizard
215th