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A298458 Number of nX5 0..1 arrays with every element equal to 2, 3, 4, 5 or 6 king-move adjacent elements, with upper left element zero. 1

%I #4 Jan 19 2018 08:52:37

%S 0,17,153,2013,35980,603930,10408388,179761398,3109300283,53839453142,

%T 932430657530,16151616080554,279792591076327,4846956717661130,

%U 83966659208776434,1454610632410793665,25199247564774724963

%N Number of nX5 0..1 arrays with every element equal to 2, 3, 4, 5 or 6 king-move adjacent elements, with upper left element zero.

%C Column 5 of A298461.

%H R. H. Hardin, <a href="/A298458/b298458.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=5

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

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

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

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

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

%Y Cf. A298461.

%K nonn

%O 1,2

%A _R. H. Hardin_, Jan 19 2018

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Last modified May 7 09:38 EDT 2024. Contains 372302 sequences. (Running on oeis4.)