12 Days of Christmas
99 Bottles of Beer
Abundant Numbers
Diamonds
Divisors
Emirp Numbers
Evil Numbers
Fibonacci
Fizz Buzz
43rd26th19th31st385th49th14th68th87th50th53rd9th4th161st735th35th47th97th8th364th110th179th143rd69th328th160th61st
Look and Say
Prime Numbers
Quine
1st1st25th89th
Tongue-twisters
π
τ