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

1,2

Links

Table of n, a(n) for n=1..80.

Formula

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

Crossrefs

Cf. A161358, A168339. Equals A143082 + 2.

Sequence in context: A238856 A096139 A175928 * A138372 A316662 A123708

Adjacent sequences: A161354 A161355 A161356 * A161358 A161359 A161360

Keyword

nonn

Author

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

Extensions

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

Status

approved