12 Days of Christmas
58th
99 Bottles of Beer
413th
Abundant Numbers
130th
Abundant Numbers (Long)
57th
Arabic to Roman
106th
Arithmetic Numbers
117th
Ascending Primes
131st
Catalan Numbers
188th
Collatz
151st
Divisors
1st
Evil Numbers (Long)
201st
Fibonacci
146th
Fizz Buzz
615th
Happy Numbers
239th
Happy Numbers (Long)
154th
ISBN
256th
Prime Numbers
362nd