12 Days of Christmas
614th
99 Bottles of Beer
409th
Abundant Numbers
916th
Abundant Numbers (Long)
481st
Ascending Primes
215th
Emirp Numbers
748th
Emirp Numbers (Long)
310th
Evil Numbers
755th
Evil Numbers (Long)
418th
Fractions
544th
Happy Numbers
644th
Happy Numbers (Long)
356th
Leap Years
1,054th
Niven Numbers
766th
Niven Numbers (Long)
399th
Number Spiral
256th
Odious Numbers
525th
Odious Numbers (Long)
333rd
Ordinal Numbers
345th
Rijndael S-box
155th
Sierpiński Triangle
308th