%I #5 Mar 07 2013 07:03:36
%S 1,3,16,48,185,534,1873,5397,17853,51516,165882,480321,1519997,
%T 4419336,13827716,40372992,125335640,367166796,1133563870,3330422526,
%U 10238553681,30154137624,92399944682,272682432123,833404227103,2463640724667
%N Number of (n+1)X2 0..2 arrays with every row and column least squares fitting to a positive slope straight line
%C Column 1 of A222847
%H R. H. Hardin, <a href="/A222843/b222843.txt">Table of n, a(n) for n = 1..46</a>
%e Some solutions for n=3
%e ..0..2....0..1....0..1....0..1....0..2....0..1....0..1....0..1....0..1....0..2
%e ..0..1....0..2....1..2....0..2....0..1....0..1....1..2....0..1....0..1....0..1
%e ..1..2....0..1....0..1....1..2....0..2....0..1....0..2....1..2....0..2....1..2
%e ..1..2....1..2....1..2....0..2....1..2....1..2....1..2....0..2....1..2....0..2
%K nonn
%O 1,2
%A _R. H. Hardin_ Mar 07 2013