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A304055 Number of nX5 0..1 arrays with every element unequal to 1, 2, 4 or 5 king-move adjacent elements, with upper left element zero. 1

%I #4 May 05 2018 15:19:32

%S 3,51,32,155,596,1641,5415,30207,124598,500772,2563187,11938158,

%T 52758745,263350294,1254691561,5814881820,28525545716,136746379603,

%U 646825243649,3141919967404,15089914588281,72017487916126,348004527241026

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

%C Column 5 of A304058.

%H R. H. Hardin, <a href="/A304055/b304055.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=5

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

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

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

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

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

%Y Cf. A304058.

%K nonn

%O 1,1

%A _R. H. Hardin_, May 05 2018

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Last modified April 24 20:08 EDT 2024. Contains 371963 sequences. (Running on oeis4.)