99 Bottles of Beer
289th
Abundant Numbers
278th
Catalan Numbers
135th
Collatz
204th
Diamonds
193rd
Divisors
735th
Emirp Numbers
317th
Evil Numbers
138th
Fibonacci
212th304th189th
Fizz Buzz
1st
Happy Numbers
537th
Kolakoski Sequence
20th
Leap Years
221st
Look and Say
279th
Niven Numbers
578th
Odious Numbers
158th
Ordinal Numbers
206th
Pangram Grep
147th
Pascal’s Triangle
427th
Pernicious Numbers
233rd
Prime Numbers
465th
Quine
75th
Recamán
185th
Roman to Arabic
140th