A146294 - OEIS

A146294

Number of n X n arrays of squares of integers with every (n-1)X(n-1) subblock summing to 8 and every element equal to at least one neighbor.

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

%S 4,6,13372,569370,4490816,20143086,67388028,187458768,458291208,

%T 1017185004,2092976212,4050199948,7448027128,13117064768

%N Number of n X n arrays of squares of integers with every (n-1)X(n-1) subblock summing to 8 and every element equal to at least one neighbor.

%K nonn

%O 3,1

%A _R. H. Hardin_ Apr 14 2009