A298165 - OEIS

%I #4 Jan 14 2018 08:59:47

%S 0,5,5,11,18,62,133,749,2248,11243,43303,213698,862571,4209880,

%T 18541760,85912154,391299596,1813446809,8242953615,38135967993,

%U 174709622116,803464643771,3690832801362,16981747383158,77971455891314

%N Number of nX6 0..1 arrays with every element equal to 3, 4, 5 or 8 king-move adjacent elements, with upper left element zero.

%C Column 6 of A298167.

%H R. H. Hardin, <a href="/A298165/b298165.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=8

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

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

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

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

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

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

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

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

%Y Cf. A298167.

%K nonn

%O 1,2

%A _R. H. Hardin_, Jan 14 2018