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A209223 Number of n X 7 0..1 arrays avoiding 0 0 0 and 0 1 0 horizontally and 0 1 0 and 1 1 1 vertically.

%I A209223 #7 May 04 2021 14:49:21
%S A209223 40,1600,1296,3312,6900,15984,38232,80400,197976,449228,1002540,
%T A209223 2382720,5427180,12493160,28565504,66402540,153375600,346691720,
%U A209223 810423876,1869448176,4247091288,9846872812,22767034560,52106780512,119650563196
%N A209223 Number of n X 7 0..1 arrays avoiding 0 0 0 and 0 1 0 horizontally and 0 1 0 and 1 1 1 vertically.
%C A209223 Column 7 of A209224.
%H A209223 R. H. Hardin, <a href="/A209223/b209223.txt">Table of n, a(n) for n = 1..210</a>
%e A209223 Some solutions for n=4
%e A209223 ..1..0..0..1..1..0..0....0..0..1..1..0..1..1....1..1..1..0..1..1..0
%e A209223 ..0..1..1..0..0..1..1....0..1..1..1..0..0..1....1..1..0..0..1..1..0
%e A209223 ..0..1..1..1..0..1..1....1..1..0..0..1..1..0....0..0..1..1..0..0..1
%e A209223 ..1..0..0..1..1..0..0....1..0..0..1..1..1..0....0..1..1..1..0..1..1
%Y A209223 Cf. A209224.
%K A209223 nonn
%O A209223 1,1
%A A209223 _R. H. Hardin_ Mar 06 2012