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A303089 Number of 7Xn 0..1 arrays with every element equal to 0, 2, 3, 4 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero. 1

%I

%S 64,21,5472,4182,615471,4862916,266882021,5924274499,231312682374,

%T 7326136324116,265724475520255,9228359438652216,330920558831885611,

%U 11758758712910364555,421228402696480451106,15057312628686341086187

%N Number of 7Xn 0..1 arrays with every element equal to 0, 2, 3, 4 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.

%C Row 7 of A303084.

%H R. H. Hardin, <a href="/A303089/b303089.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=5

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

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

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

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

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

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

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

%Y Cf. A303084.

%K nonn

%O 1,1

%A _R. H. Hardin_, Apr 18 2018

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Last modified February 27 03:50 EST 2020. Contains 332299 sequences. (Running on oeis4.)