A146202 - OEIS

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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.

%I #4 Dec 18 2015 18:17:14

%S 0,6,10678,169232,895970,3151504,8793698,21026206,44936970,88129194,

%T 161444970,279781318,462998626,736921490,1134431954,1696655150,

%U 2474237338

%N 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.

%K nonn

%O 3,2

%A _R. H. Hardin_ Apr 14 2009