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%I #7 Dec 11 2020 09:57:47
%S 2,4,7,12,17,23,30,38,47,58
%N Maximum number of 1s in an nX(n+1) binary matrix with no three 1s adjacent in a line along a row, column or diagonally.
%e Some solutions for 6X7
%e ..1..0..1..0..1..0..1....1..0..1..0..1..0..1....1..0..1..0..1..0..1
%e ..0..0..1..1..0..1..1....0..0..1..1..0..1..1....0..0..1..1..0..1..1
%e ..1..1..0..1..0..1..0....1..1..0..1..0..1..0....1..1..0..1..0..1..0
%e ..0..0..1..0..0..0..1....0..1..1..0..0..0..1....0..1..1..0..0..0..1
%e ..1..0..1..0..1..1..0....1..0..0..0..1..1..0....1..0..0..0..1..1..0
%e ..1..1..0..1..0..1..1....1..1..0..1..0..1..1....1..0..1..1..0..1..1
%Y Superdiagonal 1 of A181019.
%K nonn,more
%O 1,1
%A _R. H. Hardin_, Sep 30 2010
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