%I #9 Dec 04 2021 08:29:06
%S 1,10,314,3140,53292,487830,6811479,62248790,767197516,7042095920,
%T 81955369777,758479227700,8507298585600,79472821382440,
%U 870035427428542,8203118157997530
%N Number of 4 X (n+1) 0..1 arrays with every row least squares fitting to a positive-slope straight line and every column least squares fitting to a zero- or positive-slope straight line, with a single point array taken as having zero slope.
%e Some solutions for n=3:
%e 0 0 1 0 1 0 1 1 0 0 1 0 0 0 1 1 0 0 1 1
%e 0 1 0 1 1 0 1 1 0 0 1 1 0 0 0 1 0 1 0 1
%e 0 1 1 1 1 0 1 1 0 1 1 1 0 0 0 1 0 0 0 1
%e 0 0 1 1 1 0 1 1 0 0 1 0 0 1 1 1 0 1 1 1
%Y Row 4 of A222969.
%K nonn,more
%O 1,2
%A _R. H. Hardin_, Mar 10 2013