login
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.
1
4, 8, 216, 2116, 551368, 47444544, 17649109134656
OFFSET
0,1
COMMENTS
A nontrivial power is a^b where a,b are integers and b>1.
EXAMPLE
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.
Sequence in context: A120822 A013065 A013096 * A116092 A085631 A074073
KEYWORD
nonn,more
AUTHOR
Graeme McRae, Nov 21 2011
STATUS
approved