1,2

a(29), 2n-1 = 57, is at least 1e8.

Table of n, a(n) for n=1..28.

Cf. A077189.

Sequence in context: A005889 A095712 A085753 * A162197 A160770 A212225

Adjacent sequences: A120005 A120006 A120007 * A120009 A120010 A120011

base,nonn

Franklin T. Adams-Watters, Jun 02 2006

approved