A146479 - OEIS

A146479

Number of n X n arrays of squares of integers summing to 12 with every element equal to at least one neighbor.

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

%S 0,78,2915,413255,27664684,443065607,3534941139,18915573187,

%T 78095787882,268541796601

%N Number of n X n arrays of squares of integers summing to 12 with every element equal to at least one neighbor.

%K nonn

%O 2,2

%A _R. H. Hardin_ Apr 14 2009