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A317869 Number of nX6 0..1 arrays with every element unequal to 2, 3 or 5 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero. 1

%I

%S 0,9,5,301,759,4692,27620,167100,990871,5767582,34467346,203674546,

%T 1206110614,7137827421,42235987862,250140435209,1480277735704,

%U 8764187430062,51874060277424,307091476309195,1817808068703891

%N Number of nX6 0..1 arrays with every element unequal to 2, 3 or 5 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.

%C Column 6 of A317871.

%H R. H. Hardin, <a href="/A317869/b317869.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=5

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

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

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

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

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

%Y Cf. A317871.

%K nonn

%O 1,2

%A _R. H. Hardin_, Aug 09 2018

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Last modified April 20 14:27 EDT 2019. Contains 322310 sequences. (Running on oeis4.)