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A299391 Number of nX6 0..1 arrays with every element equal to 0, 1, 3, 4, 6 or 8 king-move adjacent elements, with upper left element zero. 1

%I #4 Feb 09 2018 08:12:40

%S 13,73,48,243,934,2483,11240,48286,252027,1266960,6311667,36785859,

%T 194581406,1036790058,5942171610,32178015222,175549569753,

%U 988988477581,5414044259800,29794919553945,166288246651728,915135462699297

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

%C Column 6 of A299393.

%H R. H. Hardin, <a href="/A299391/b299391.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=7

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

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

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

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

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

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

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

%Y Cf. A299393.

%K nonn

%O 1,1

%A _R. H. Hardin_, Feb 09 2018

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Last modified April 25 11:39 EDT 2024. Contains 371969 sequences. (Running on oeis4.)