12 Days of Christmas
643rd
99 Bottles of Beer
450th
Abundant Numbers
931st
Abundant Numbers (Long)
487th
Ascending Primes
220th
Emirp Numbers
754th
Emirp Numbers (Long)
315th
Evil Numbers
763rd
Evil Numbers (Long)
425th
Fractions
553rd
Happy Numbers
650th
Happy Numbers (Long)
359th
Leap Years
1,064th
Niven Numbers
779th
Niven Numbers (Long)
413th
Number Spiral
263rd
Odious Numbers
532nd
Odious Numbers (Long)
339th
Ordinal Numbers
355th
Rijndael S-box
160th
Sierpiński Triangle
313th