A146204 - OEIS

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A146204

Number of n X n arrays of squares of integers with every (n-3)X(n-3) subblock summing to 7 and every element equal to at least one neighbor.

1

0, 48, 281740, 6164286, 36452297, 137540680, 403558893

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OFFSET

5,2

LINKS

Table of n, a(n) for n=5..11.

CROSSREFS

Sequence in context: A037947 A282596 A272262 * A269561 A079234 A051235

Adjacent sequences: A146201 A146202 A146203 * A146205 A146206 A146207

KEYWORD

nonn

AUTHOR

R. H. Hardin, Apr 14 2009

STATUS

approved