0,1

Table of n, a(n) for n=0..69.

a(n) = 2 + floor(n^(1/2)) + floor(n^(1/3)).

Cf. A104055.

Sequence in context: A088650 A097154 A108421 * A132345 A178976 A130766

Adjacent sequences: A104055 A104056 A104057 * A104059 A104060 A104061

nonn

Giovanni Teofilatto, Mar 02 2005

Better definition from Emeric Deutsch, Mar 25 2005

approved