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A146500 Number of n X n arrays of squares of integers summing to 15 with every element equal to at least one neighbor. 1
0, 72, 9780, 668362, 173484536, 10081326340, 182802386772, 1760679542512, 11472302452452 (list; graph; refs; listen; history; text; internal format)
OFFSET

2,2

LINKS

Table of n, a(n) for n=2..10.

CROSSREFS

Sequence in context: A093272 A105347 A093236 * A271190 A271191 A271192

Adjacent sequences:  A146497 A146498 A146499 * A146501 A146502 A146503

KEYWORD

nonn

AUTHOR

R. H. Hardin Apr 14 2009

STATUS

approved

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Last modified February 25 05:01 EST 2020. Contains 332217 sequences. (Running on oeis4.)