1,1

Table of n, a(n) for n=1..46.

R. Ondrejka, The Top Ten: a Catalogue of Primal Configurations.

a(10) = 419, 419 is a prime and 1, 4 and 9 are squares.

Cf. A066591.

Sequence in context: A165944 A100557 A066591 * A068493 A167535 A184328

Adjacent sequences: A061243 A061244 A061245 * A061247 A061248 A061249

base,nonn

Amarnath Murthy, Apr 23 2001

Corrected and extended by Jason Earls (zevi_35711(AT)yahoo.com), May 17 2005

Edited by N. J. A. Sloane, Aug 29 2008 at the suggestion of R. J. Mathar

approved