12 Days of Christmas
79th460th
99 Bottles of Beer
374th
Christmas Trees
309th
CSS Colors
188th
Diamonds
399th
Emirp Numbers
561st
Evil Numbers
748th
Fibonacci
865th
Fizz Buzz
684th
Happy Numbers
504th
Happy Numbers (Long)
261st
Leap Years
429th
Leyland Numbers
202nd
Look and Say
237th
Morse Encoder
205th
Ordinal Numbers
290th
Rock-paper-scissors-Spock-lizard
228th