A301327 - OEIS

%I #4 Mar 18 2018 08:38:46

%S 1,13,25,143,664,2520,12342,59524,283455,1368684,6584582,31757409,

%T 153111198,738871291,3563886998,17195977666,82965273154,400306670558,

%U 1931473330672,9319427371662,44966629489185,216966438878737

%N Number of nX5 0..1 arrays with every element equal to 0, 2, 3, 5 or 6 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.

%C Column 5 of A301330.

%H R. H. Hardin, <a href="/A301327/b301327.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..1..1..0. .0..0..1..0..0. .0..1..1..1..1

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

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

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

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

%Y Cf. A301330.

%K nonn

%O 1,2

%A _R. H. Hardin_, Mar 18 2018