A222781 - OEIS

%I #4 Mar 05 2013 13:16:13

%S 36,432,19488,213840,5246948,56568960,1048393824,11290600368,

%T 183877431364,1992236864400,29955661023796,327235660577280,

%U 4677959911353760,51615715978476384,712330150687511352

%N Number of (n+3)X5 0..1 arrays with every row and column least squares fitting to a positive slope straight line

%C Column 2 of A222784

%H R. H. Hardin, <a href="/A222781/b222781.txt">Table of n, a(n) for n = 1..18</a>

%e Some solutions for n=2

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

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Mar 05 2013