1,3

Table of n, a(n) for n=1..47.

Cf. a(3) A003828, a(4) A096739, 3rd powers A130012, n-th powers A007666.

Sequence in context: A206684 A202405 A264764 * A175610 A003828 A233722

Adjacent sequences: A130019 A130020 A130021 * A130023 A130024 A130025

more,nonn

J. Lowell, Jun 15 2007

More terms from Martin Fuller, Jul 06 2007

approved