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A146202 Number of n X n arrays of squares of integers with every (n-1)X(n-1) subblock summing to 7 and every element equal to at least one neighbor. 1
0, 6, 10678, 169232, 895970, 3151504, 8793698, 21026206, 44936970, 88129194, 161444970, 279781318, 462998626, 736921490, 1134431954, 1696655150, 2474237338 (list; graph; refs; listen; history; text; internal format)
OFFSET

3,2

LINKS

Table of n, a(n) for n=3..19.

CROSSREFS

Sequence in context: A102979 A069942 A261823 * A227889 A242676 A145720

Adjacent sequences:  A146199 A146200 A146201 * A146203 A146204 A146205

KEYWORD

nonn

AUTHOR

R. H. Hardin Apr 14 2009

STATUS

approved

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Last modified November 13 00:25 EST 2019. Contains 329083 sequences. (Running on oeis4.)