A303472 - OEIS

%I #4 Apr 24 2018 10:45:38

%S 16,512,6369,89371,1243692,17247543,239939422,3335048493,46357441983,

%T 644411387300,8957714227776,124518113207477,1730885098566063,

%U 24060449638691425,334456224185985141,4649163632178068981

%N Number of 5Xn 0..1 arrays with every element equal to 0, 1, 2, 3, 5 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.

%C Row 5 of A303469.

%H R. H. Hardin, <a href="/A303472/b303472.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=5

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

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

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

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

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

%Y Cf. A303469.

%K nonn

%O 1,1

%A _R. H. Hardin_, Apr 24 2018