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A300686 Number of nX5 0..1 arrays with every element equal to 1, 2, 3 or 6 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero. 1

%I

%S 3,96,1391,18225,240463,3179333,42006289,554837022,7328971275,

%T 96809180326,1278756595603,16891220226973,223117594938741,

%U 2947179704159404,38929553446409017,514223861793513922

%N Number of nX5 0..1 arrays with every element equal to 1, 2, 3 or 6 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.

%C Column 5 of A300689.

%H R. H. Hardin, <a href="/A300686/b300686.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=5

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

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

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

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

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

%Y Cf. A300689.

%K nonn

%O 1,1

%A _R. H. Hardin_, Mar 11 2018

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Last modified May 22 23:18 EDT 2022. Contains 353959 sequences. (Running on oeis4.)