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A207745 Number of 7Xn 0..1 arrays avoiding 0 0 0 and 0 1 0 horizontally and 0 0 1 and 1 0 0 vertically 1

%I

%S 35,1225,20265,335241,6349893,120275089,2215586241,40813292529,

%T 758253127923,14087268396601,260910039667519,4832310060602761,

%U 89611728280729061,1661785304492145361,30800180353416930867

%N Number of 7Xn 0..1 arrays avoiding 0 0 0 and 0 1 0 horizontally and 0 0 1 and 1 0 0 vertically

%C Row 7 of A207741

%H R. H. Hardin, <a href="/A207745/b207745.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=4

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

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

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

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Feb 19 2012

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Last modified October 28 13:26 EDT 2021. Contains 348329 sequences. (Running on oeis4.)