12 Days of Christmas
608th
99 Bottles of Beer
403rd
Abundant Numbers
911th
Abundant Numbers (Long)
477th
Ascending Primes
208th
Emirp Numbers
744th
Emirp Numbers (Long)
307th
Evil Numbers
752nd
Evil Numbers (Long)
415th
Fractions
541st
Happy Numbers
641st
Happy Numbers (Long)
351st
Leap Years
1,050th
Niven Numbers
763rd
Niven Numbers (Long)
397th
Number Spiral
256th
Odious Numbers
523rd
Odious Numbers (Long)
332nd
Ordinal Numbers
343rd
Rijndael S-box
154th
Sierpiński Triangle
305th