A161357 Longer side (x) of inner rectangle described in A168339.

1, 3, 3, 4, 3, 4, 5, 5, 6, 5, 7, 6, 5, 7, 6, 8, 7, 7, 8, 8, 7, 9, 9, 8, 7, 9, 9, 8, 10, 10, 9, 9, 11, 10, 10, 9, 11, 11, 11, 10, 9, 12, 11, 11, 10, 13, 12, 12, 11, 11, 13, 13, 15, 12, 11, 14, 13, 13, 13, 12, 11, 14, 14, 13, 13, 12, 15, 15, 14, 14, 13, 13, 15, 15, 15, 14, 14, 13, 16, 16

Offset: 1

Author

R. H. Hardin and N. J. A. Sloane, Nov 27 2009

Keywords

• nonn

Crossrefs

Cf. A161358, A168339. Equals A143082 + 2.

Formula

a(n) = A143082(n)-2. [From R. J. Mathar, Mar 06 2010]

Extensions

Extended with output of the variable dimn of the progr. in A168339 - R. J. Mathar, Mar 06 2010