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A297941 Number of nX6 0..1 arrays with every element equal to 0, 2, 3 or 5 king-move adjacent elements, with upper left element zero. 1

%I #4 Jan 09 2018 07:10:54

%S 1,65,51,226,1032,3977,16198,66625,279485,1186383,5055084,21513979,

%T 91529365,389637645,1658672866,7063321549,30085329196,128150208439,

%U 545893890243,2325459286458,9906394264477,42201429220382,179780312610455

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

%C Column 6 of A297943.

%H R. H. Hardin, <a href="/A297941/b297941.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=7

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

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

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

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

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

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

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

%Y Cf. A297943.

%K nonn

%O 1,2

%A _R. H. Hardin_, Jan 09 2018

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Last modified April 24 11:49 EDT 2024. Contains 371936 sequences. (Running on oeis4.)