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Number of nX6 0..1 arrays with every element equal to 0, 2, 3 or 4 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.
1

%I #4 Apr 06 2018 12:19:45

%S 1,168,284,3125,26458,330505,3858625,48375470,608124211,7645706001,

%T 96379576670,1215653208094,15330813861321,193363893550173,

%U 2439014211176791,30764225158027102,388042002523348294

%N Number of nX6 0..1 arrays with every element equal to 0, 2, 3 or 4 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.

%C Column 6 of A302367.

%H R. H. Hardin, <a href="/A302365/b302365.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=5

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

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

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

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

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

%Y Cf. A302367.

%K nonn

%O 1,2

%A _R. H. Hardin_, Apr 06 2018