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A146520 Number of n X n arrays of squares of integers summing to 26 with every element equal to at least one neighbor. 1
4, 64, 34120, 15748194, 7568305274, 4203938567056 (list; graph; refs; listen; history; text; internal format)
OFFSET

2,1

LINKS

Table of n, a(n) for n=2..7.

CROSSREFS

Sequence in context: A229867 A051191 A120581 * A030176 A033635 A138835

Adjacent sequences:  A146517 A146518 A146519 * A146521 A146522 A146523

KEYWORD

nonn

AUTHOR

R. H. Hardin Apr 14 2009

STATUS

approved

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Last modified October 17 12:08 EDT 2021. Contains 348048 sequences. (Running on oeis4.)