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A146320
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Number of n X n arrays of squares of integers with every (n-1)X(n-1) subblock summing to 9 and every element equal to at least one neighbor.
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1
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0, 1, 10742, 1562979, 19868428, 116875556, 471829672, 1513833810, 4145705032, 10094479834, 22430185920
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OFFSET
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3,3
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LINKS
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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