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%I #5 Dec 18 2015 18:18:28
%S 2,5,8,251,1872,720452,33675352
%N Number of n X n 0..1 arrays with successive rows and columns fitting to straight lines with strictly increasing slope, with a single point array taken as having zero slope
%C Diagonal of A222898
%e Some solutions for n=4
%e ..1..1..0..0....1..1..0..0....1..0..0..0....1..1..0..0....1..1..0..0
%e ..0..0..0..0....1..0..0..0....0..0..0..0....0..1..0..0....1..0..0..0
%e ..0..1..0..1....0..1..1..0....1..0..1..1....0..0..0..0....1..1..0..1
%e ..0..1..1..1....0..0..0..1....0..0..0..1....0..1..0..1....0..1..1..1
%K nonn
%O 1,1
%A _R. H. Hardin_ Mar 08 2013
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