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A146502 Number of n X n arrays of squares of integers with every (n-1)X(n-1) subblock summing to 15 and every element equal to at least one neighbor. 2

%I

%S 0,186,41444,7687870,8221000176,599346431860

%N Number of n X n arrays of squares of integers with every (n-1)X(n-1) subblock summing to 15 and every element equal to at least one neighbor.

%K nonn

%O 3,2

%A _R. H. Hardin_ Apr 14 2009

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Last modified January 31 15:11 EST 2023. Contains 359976 sequences. (Running on oeis4.)