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A300943 Number of nX7 0..1 arrays with every element equal to 0, 1, 3, 4 or 6 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero. 1

%I

%S 21,11,101,530,2975,16587,99717,628078,4085574,26803581,176672818,

%T 1167853353,7727739359,51133275030,338411771448,2240013488296,

%U 14827127102453,98143499126149,649628272106039,4299947674444031

%N Number of nX7 0..1 arrays with every element equal to 0, 1, 3, 4 or 6 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.

%C Column 7 of A300944.

%H R. H. Hardin, <a href="/A300943/b300943.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=5

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

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

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

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

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

%Y Cf. A300944.

%K nonn

%O 1,1

%A _R. H. Hardin_, Mar 16 2018

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Last modified October 15 20:04 EDT 2019. Contains 328037 sequences. (Running on oeis4.)