%I #5 Mar 19 2013 10:19:47
%S 8,26,136,454,2096,7490,32536,118190,495984,1829612,7534896,28093022,
%T 114631272,431107760,1749879648,6626934528,26812323712,102112441820,
%U 412247828720,1577225857288,6357677720504,24416496168472,98306183091960
%N Number of nX3 0..1 arrays with successive rows and columns fitting to straight lines with nondecreasing slope, with a single point array taken as having zero slope
%C Column 3 of A223317
%H R. H. Hardin, <a href="/A223312/b223312.txt">Table of n, a(n) for n = 1..55</a>
%e Some solutions for n=4
%e ..0..0..0....1..0..0....1..0..0....1..1..0....1..0..0....0..0..0....1..1..0
%e ..0..0..0....1..0..0....1..1..1....1..0..1....0..1..0....0..0..1....1..0..1
%e ..0..0..0....0..0..0....1..1..1....1..0..1....1..1..1....0..1..1....0..0..0
%e ..0..1..1....0..0..0....1..0..1....0..0..1....0..0..1....0..0..1....0..0..1
%K nonn
%O 1,1
%A _R. H. Hardin_ Mar 19 2013