12 Days of Christmas
413th
99 Bottles of Beer
102nd
Abundant Numbers
161st
Abundant Numbers (Long)
193rd
Arithmetic Numbers
220th
Ascending Primes
239th
Christmas Trees
576th
Collatz
128th
Divisors
1st
Emirp Numbers
669th
Fibonacci
189th
Fizz Buzz
59th
Foo Fizz Buzz Bar
1st
Happy Numbers
302nd
Happy Numbers (Long)
184th
Kolakoski Sequence
227th
Leap Years
961st
Look and Say
304th
Niven Numbers
619th
Niven Numbers (Long)
313th
Number Spiral
192nd
Prime Numbers
592nd
Prime Numbers (Long)
353rd
Quine
74th
Van Eck Sequence
109th