12 Days of Christmas
415th
99 Bottles of Beer
105th
Abundant Numbers
163rd
Abundant Numbers (Long)
194th
Arithmetic Numbers
225th
Ascending Primes
240th
Christmas Trees
581st
Collatz
128th
Divisors
1st
Emirp Numbers
671st
Fibonacci
189th
Fizz Buzz
59th
Foo Fizz Buzz Bar
1st
Happy Numbers
303rd
Happy Numbers (Long)
184th
Kolakoski Sequence
227th
Leap Years
963rd
Look and Say
304th
Niven Numbers
623rd
Niven Numbers (Long)
314th
Number Spiral
193rd
Prime Numbers
595th
Prime Numbers (Long)
354th
Quine
75th
Van Eck Sequence
111th