A299719 - OEIS

%I #4 Feb 17 2018 10:40:53

%S 1,389,6354,242107,8668148,330958005,12889348273,504002310677,

%T 19818564264619,780113461179658,30737074057266508,1211484665110417898,

%U 47758036562035353108,1882835437588019698995,74232424334733785207883

%N Number of nX6 0..1 arrays with every element equal to 0, 2, 3, 4, 5, 6 or 7 king-move adjacent elements, with upper left element zero.

%C Column 6 of A299721.

%H R. H. Hardin, <a href="/A299719/b299719.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=5

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

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

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

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

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

%Y Cf. A299721.

%K nonn

%O 1,2

%A _R. H. Hardin_, Feb 17 2018