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Number of nX5 0..1 arrays with every element unequal to 1, 2, 3 or 5 king-move adjacent elements, with upper left element zero.
1

%I #4 May 04 2018 11:30:17

%S 3,120,281,1318,5162,20979,87747,363807,1503951,6293212,26205966,

%T 109324860,456564651,1906061826,7958703070,33240668699,138822265649,

%U 579797632188,2421619456162,10114301541455,42244329291518

%N Number of nX5 0..1 arrays with every element unequal to 1, 2, 3 or 5 king-move adjacent elements, with upper left element zero.

%C Column 5 of A304019.

%H R. H. Hardin, <a href="/A304016/b304016.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=5

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

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

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

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

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

%Y Cf. A304019.

%K nonn

%O 1,1

%A _R. H. Hardin_, May 04 2018