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A161358 Shorter side (x) of inner rectangle described in A168339. 4
1, 1, 2, 2, 3, 3, 3, 3, 3, 4, 3, 4, 5, 4, 5, 4, 5, 5, 5, 5, 6, 5, 5, 6, 7, 6, 6, 7, 6, 6, 7, 7, 6, 7, 7, 8, 7, 7, 7, 8, 9, 7, 8, 8, 9, 7, 8, 8, 9, 9, 8, 8, 7, 9, 10, 8, 9, 9, 9, 10, 11, 9, 9, 10, 10, 11, 9, 9, 10, 10, 11, 11, 10, 10, 10, 11, 11, 12, 10, 10, 9, 11, 11, 12, 13, 9, 11, 11, 12, 12, 13, 11, 11, 11, 12, 12 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

LINKS

Table of n, a(n) for n=1..96.

CROSSREFS

Cf. A161357, A168339. Equals A145288(n)-2.

Sequence in context: A089881 A251547 A084320 * A120699 A072643 A130260

Adjacent sequences:  A161355 A161356 A161357 * A161359 A161360 A161361

KEYWORD

nonn

AUTHOR

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

EXTENSIONS

Corrected definition and flipped sign in the formula - R. J. Mathar, Mar 06 2010

STATUS

approved

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Last modified February 16 20:45 EST 2019. Contains 320189 sequences. (Running on oeis4.)