12 Days of Christmas
335th
99 Bottles of Beer
85th
Abundant Numbers
130th
Abundant Numbers (Long)
143rd
Arithmetic Numbers
151st
Ascending Primes
144th
Christmas Trees
493rd
Collatz
89th
Divisors
1st
Emirp Numbers
595th
Fibonacci
146th
Fizz Buzz
49th
Foo Fizz Buzz Bar
1st
Happy Numbers
260th
Happy Numbers (Long)
149th
Kolakoski Sequence
191st
Leap Years
856th
Look and Say
252nd
Niven Numbers
545th
Niven Numbers (Long)
254th
Number Spiral
153rd
Prime Numbers
512th
Prime Numbers (Long)
282nd
Quine
55th
Van Eck Sequence
79th