%I #9 Dec 04 2021 08:33:03
%S 54,534,28836,487830,26342820,677339136,41972251734,1306606331404,
%T 82298403509112,3041055175823616,191470088044451700
%N Number of n X 7 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 1 0 0 0 0 1 1 0 0 1 0 0 0 1 1 0 0 0 0 1 1
%e 0 0 0 0 0 0 1 0 0 0 1 1 0 1 1 0 1 1 0 1 1
%e 1 0 0 1 1 1 1 0 0 1 0 0 0 1 1 1 0 1 1 1 1
%Y Column 6 of A222969.
%K nonn,more
%O 1,1
%A _R. H. Hardin_, Mar 10 2013