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Number of nX5 0..1 arrays with every element unequal to 0, 1, 2 or 4 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.
1

%I #4 Aug 12 2018 19:44:32

%S 16,95,419,2227,12039,60157,304184,1569163,8067785,41794215,216350270,

%T 1121920799,5819644170,30203030342,156774826962,813943024542,

%U 4226109266686,21944484821348,113952475164535,591748572069652

%N Number of nX5 0..1 arrays with every element unequal to 0, 1, 2 or 4 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.

%C Column 5 of A318024.

%H R. H. Hardin, <a href="/A318021/b318021.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=5

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

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

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

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

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

%Y Cf. A318024.

%K nonn

%O 1,1

%A _R. H. Hardin_, Aug 12 2018