

A076433


Perfect powers for which the two closest perfect powers are greater.


2



25, 121, 2187, 6431296, 6434856, 6956883693, 27027009001, 34359738368, 42618264157, 312078649600, 312079600999, 328080365089, 11305780833649, 11305786504384, 19287643015432, 62854896459664, 79723523012809
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OFFSET

1,1


LINKS

Table of n, a(n) for n=1..17.


EXAMPLE

The two closest perfect powers to 25 are 27 (difference = 2) and 32 (difference = 7). The third closest is 16 (difference = 9). Both 27 and 32 are greater than 25, so 25 is in the list.


CROSSREFS

Cf. A001597, A053289, A075772, A076431, A076432.
Sequence in context: A141722 A090159 A025283 * A069668 A274785 A214114
Adjacent sequences: A076430 A076431 A076432 * A076434 A076435 A076436


KEYWORD

nonn


AUTHOR

Neil Fernandez, Oct 10 2002


EXTENSIONS

More terms from Jud McCranie and Robert G. Wilson v, Oct 11 2002
a(6)a(17) from Donovan Johnson, Sep 03 2008


STATUS

approved



