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A300470 Number of nX6 0..1 arrays with every element equal to 0, 1, 2 or 3 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero. 1

%I #4 Mar 06 2018 11:39:36

%S 32,1490,31106,759100,18735889,462538206,11408562672,281433652906,

%T 6942908646999,171280218101813,4225436849045491,104240370076371736,

%U 2571581648449512936,63440223592452588279,1565053148367633815372

%N Number of nX6 0..1 arrays with every element equal to 0, 1, 2 or 3 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.

%C Column 6 of A300472.

%H R. H. Hardin, <a href="/A300470/b300470.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=5

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

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

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

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

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

%Y Cf. A300472.

%K nonn

%O 1,1

%A _R. H. Hardin_, Mar 06 2018

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Last modified April 25 14:06 EDT 2024. Contains 371988 sequences. (Running on oeis4.)