A146545 - OEIS

A146545

Number of n X n arrays of squares of integers summing to 30 with every element equal to at least one neighbor.

%I #4 Dec 18 2015 18:17:15

%S 0,132,48330,29269010,23421826314

%N Number of n X n arrays of squares of integers summing to 30 with every element equal to at least one neighbor.

%K nonn

%O 2,2

%A _R. H. Hardin_ Apr 14 2009