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A297873 Number of nX5 0..1 arrays with every element equal to 2, 3 or 5 king-move adjacent elements, with upper left element zero. 1

%I #4 Jan 07 2018 11:30:08

%S 0,11,0,20,80,231,579,2437,7507,26278,91622,316406,1091518,3805139,

%T 13166620,45743807,158968332,552175778,1918002602,6665774473,

%U 23158033370,80468332463,279615402191,971597706573,3376114511226,11731585710994

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

%C Column 5 of A297876.

%H R. H. Hardin, <a href="/A297873/b297873.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=7

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

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

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

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

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

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

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

%Y Cf. A297876.

%K nonn

%O 1,2

%A _R. H. Hardin_, Jan 07 2018

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Last modified April 24 17:51 EDT 2024. Contains 371962 sequences. (Running on oeis4.)