12 Days of Christmas
405th
99 Bottles of Beer
98th
Abundant Numbers
156th
Abundant Numbers (Long)
188th
Arithmetic Numbers
212th
Ascending Primes
236th
Christmas Trees
560th
Collatz
123rd
Divisors
1st
Emirp Numbers
664th
Fibonacci
186th
Fizz Buzz
58th
Foo Fizz Buzz Bar
1st
Happy Numbers
297th
Happy Numbers (Long)
181st
Kolakoski Sequence
223rd
Leap Years
953rd
Look and Say
296th
Niven Numbers
610th
Niven Numbers (Long)
307th
Number Spiral
188th
Prime Numbers
583rd
Prime Numbers (Long)
342nd
Quine
72nd
Van Eck Sequence
107th