A283201 - OEIS

A283201

Number of nX6 0..1 arrays with no 1 equal to more than two of its horizontal and vertical neighbors, with the exception of exactly one element.

%I #4 Mar 02 2017 20:43:24

%S 0,824,66412,4024168,218628378,11127848480,544338609740,

%T 25902857395584,1207783406994400,55446986033350996,

%U 2514397433928477616,112893711771723257624,5027301753012895382174,222330741080281786320756

%N Number of nX6 0..1 arrays with no 1 equal to more than two of its horizontal and vertical neighbors, with the exception of exactly one element.

%C Column 6 of A283203.

%H R. H. Hardin, <a href="/A283201/b283201.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=3

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

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

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

%Y Cf. A283203.

%K nonn

%O 1,2

%A _R. H. Hardin_, Mar 02 2017