%I A146497
%S A146497 0,20,17226,8194791,1995724092,51267367432
%N A146497 Number of nXn arrays of squares of integers with every (n-1)X(n-1) subblock 
               summing to 13 and every element equal to at least one neighbor.
%Y A146497 Sequence in context: A086687 A028667 A167060 this_sequence A060618 A064487 
               A099187
%Y A146497 Adjacent sequences: A146494 A146495 A146496 this_sequence A146498 A146499 
               A146500
%K A146497 nonn
%O A146497 3,2
%A A146497 Ron Hardin (rhhardin(AT)att.net) Apr 14 2009