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A317063 Number of nX6 0..1 arrays with every element unequal to 0, 2, 3, 4, 5, 6 or 8 king-move adjacent elements, with upper left element zero. 1

%I #4 Jul 20 2018 13:32:20

%S 1,272,4869,207116,8450612,354399907,14920072888,629855730272,

%T 26612973830635,1124925665450222,47558289000359748,

%U 2010749398071334458,85016252420605992721,3594603941362352310918,151985523215867315907352

%N Number of nX6 0..1 arrays with every element unequal to 0, 2, 3, 4, 5, 6 or 8 king-move adjacent elements, with upper left element zero.

%C Column 6 of A317065.

%H R. H. Hardin, <a href="/A317063/b317063.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=5

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

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

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

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

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

%Y Cf. A317065.

%K nonn

%O 1,2

%A _R. H. Hardin_, Jul 20 2018

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Last modified April 23 08:33 EDT 2024. Contains 371905 sequences. (Running on oeis4.)