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 A222970 Number of 1 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. 1

%I

%S 1,2,6,12,28,54,119,230,488,948,1979,3860,7978,15624,32072,63014,

%T 128746,253588,516346,1019072,2069590,4091174,8291746,16412668,

%U 33210428,65808044,132985161,263755984,532421062,1056789662,2131312530,4233176854

%N Number of 1 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.

%H R. H. Hardin, <a href="/A222970/b222970.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=3:

%e 0 1 0 1 0 1 1 1 0 0 1 0 0 0 1 1 0 0 0 1

%Y Row 1 of A222969.

%K nonn

%O 1,2

%A _R. H. Hardin_, Mar 10 2013

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Last modified November 28 02:51 EST 2022. Contains 358406 sequences. (Running on oeis4.)