%I #4 Mar 31 2012 12:36:56
%S 1,86156,1678700434,10639041328647,61265314914283103
%N Number of nX7 0..6 arrays with every nonzero element less than or equal to at least two horizontal and vertical neighbors
%C Column 7 of A203389
%e Some solutions for n=4
%e ..4..4..2..2..0..4..4....4..4..3..3..0..4..4....0..5..5..5..4..5..5
%e ..4..6..6..2..5..5..4....6..6..3..4..4..4..4....5..5..5..6..6..5..5
%e ..4..6..6..3..5..5..2....6..6..3..4..5..5..4....5..0..4..6..6..5..3
%e ..0..1..1..0..0..0..0....5..5..0..0..5..5..0....5..5..5..5..0..0..0
%K nonn
%O 1,2
%A _R. H. Hardin_ Jan 01 2012
|