A281986 - OEIS

A281986

Number of nX6 0..1 arrays with no element unequal to more than four of its king-move neighbors, with the exception of exactly one element, and with new values introduced in order 0 sequentially upwards.

%I #4 Feb 04 2017 09:16:36

%S 0,432,41118,659508,8777256,104671608,1170765416,12655050072,

%T 133501129836,1383406166720,14149729001202,143201257594468,

%U 1437150395302274,14322185435363036,141890542445419910

%N Number of nX6 0..1 arrays with no element unequal to more than four of its king-move neighbors, with the exception of exactly one element, and with new values introduced in order 0 sequentially upwards.

%C Column 6 of A281988.

%H R. H. Hardin, <a href="/A281986/b281986.txt">Table of n, a(n) for n = 1..144</a>

%e Some solutions for n=3

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

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

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

%Y Cf. A281988.

%K nonn

%O 1,2

%A _R. H. Hardin_, Feb 04 2017