99 Bottles of Beer
293rd
Abundant Numbers
281st
Catalan Numbers
137th
Collatz
208th
Diamonds
195th
Divisors
741st
Emirp Numbers
319th
Evil Numbers
141st
Fibonacci
213th305th192nd
Fizz Buzz
1st
Happy Numbers
540th
Kolakoski Sequence
20th
Leap Years
225th
Look and Say
284th
Niven Numbers
584th
Odious Numbers
161st
Ordinal Numbers
208th
Pangram Grep
149th
Pascal’s Triangle
432nd
Pernicious Numbers
239th
Prime Numbers
467th
Quine
78th
Recamán
188th
Roman to Arabic
141st