ldoodle
12 Days of Christmas
767th
99 Bottles of Beer
1,391st
434th
Abundant Numbers
2,671st
801st
Collatz
1,780th
Diamonds
1,613th
Fibonacci
2,798th2,127th
Fizz Buzz
8,444th
Leap Years
2,364th
Niven Numbers (Long)
1,521st
Prime Numbers
3,582nd3,068th
Quine
689th