A146200 - OEIS

A146200

Number of n X n arrays of squares of integers with every (n-3)X(n-3) subblock summing to 6 and every element equal to at least one neighbor.

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

%S 0,168,107441,902774,3692732,11295174,28865676,65031988,133191360,

%T 253050012,452373900,768956436,1252803248,1968533980

%N Number of n X n arrays of squares of integers with every (n-3)X(n-3) subblock summing to 6 and every element equal to at least one neighbor.

%K nonn

%O 5,2

%A _R. H. Hardin_ Apr 14 2009