A146545 - OEIS

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A146545

Number of n X n arrays of squares of integers summing to 30 with every element equal to at least one neighbor.

0, 132, 48330, 29269010, 23421826314

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OFFSET

2,2

LINKS

Table of n, a(n) for n=2..6.

CROSSREFS

Sequence in context: A175410 A146522 A183500 * A181194 A227596 A267951

Adjacent sequences: A146542 A146543 A146544 * A146546 A146547 A146548

KEYWORD

nonn

AUTHOR

R. H. Hardin Apr 14 2009

STATUS

approved