99 Bottles of Beer
246th
Abundant Numbers
236th
Catalan Numbers
110th
Collatz
168th
Diamonds
165th
Divisors
664th
Emirp Numbers
277th
Evil Numbers
111th
Fibonacci
193rd279th154th
Fizz Buzz
1st
Happy Numbers
482nd
Kolakoski Sequence
17th
Leap Years
190th
Look and Say
237th
Niven Numbers
523rd
Odious Numbers
134th
Ordinal Numbers
185th
Pangram Grep
121st
Pascal’s Triangle
379th
Pernicious Numbers
190th
Prime Numbers
415th
Quine
56th
Recamán
156th
Roman to Arabic
116th