12 Days of Christmas
885th
99 Bottles of Beer
18th
Abundant Numbers
18th
Arrows
12th
Collatz
23rd
Evil Numbers (Long)
472nd
Fibonacci
146th
72nd
Fizz Buzz
120th172nd
78th519th1,344th81st
Niven Numbers (Long)
390th
Odious Numbers
85th
765th64th117th
Pangram Grep
17th
28th48th
47th205th31st27th534th59th96th34th28th
Prime Numbers
44th
Quine
127th
773rd
π
32nd