A200729 Smallest nontrivial positive power x such that the number of even powers (i.e., even base) not exceeding x exceeds by n the number of odd powers not exceeding x.

4, 8, 216, 2116, 551368, 47444544, 17649109134656

Offset: 0

Author

Graeme McRae, Nov 21 2011

Keywords

• nonn
• more

Comments

A nontrivial power is a^b where a,b are integers and b>1.

Examples

			a(2)=216 because there are 11 even powers not larger than 216 and 9 odd powers not larger than 216, and 9 - 7 = 2.
		

Crossrefs

Cf. A200730.