99 Bottles of Beer
337th
Abundant Numbers
323rd
Catalan Numbers
138th
Collatz
249th
Diamonds
215th
Divisors
755th
Emirp Numbers
344th
Evil Numbers
142nd
Fibonacci
215th305th193rd
Fizz Buzz
203rd
Happy Numbers
544th
Kolakoski Sequence
65th
Leap Years
228th
Look and Say
291st
Niven Numbers
590th
Odious Numbers
161st
Ordinal Numbers
230th
Pangram Grep
181st
Pascal’s Triangle
440th
Pernicious Numbers
243rd
Prime Numbers
490th
Quine
78th
Recamán
208th
Roman to Arabic
159th