A302320 - OEIS

%I #4 Apr 05 2018 09:51:26

%S 32,360,1528,14022,104932,708572,5542827,41843808,305929316,

%T 2314491745,17440443844,130333059573,980106473079,7374359116006,

%U 55398416906338,416423087231831,3131657192036482,23549977524019022,177066204746039879

%N Number of nX6 0..1 arrays with every element equal to 0, 1, 2 or 4 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.

%C Column 6 of A302322.

%H R. H. Hardin, <a href="/A302320/b302320.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=5

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

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

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

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

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

%Y Cf. A302322.

%K nonn

%O 1,1

%A _R. H. Hardin_, Apr 05 2018