A299527 - OEIS

%I #4 Feb 11 2018 06:21:56

%S 0,240,269,16538,258389,4719927,135080376,3421183432,75654324618,

%T 2038805101369,52861847770304,1281796440951349,33216166471839387,

%U 857659294267674712,21467655313529166083,549519871796070278635

%N Number of nX7 0..1 arrays with every element equal to 1, 3, 4, 5, 6 or 8 king-move adjacent elements, with upper left element zero.

%C Column 7 of A299528.

%H R. H. Hardin, <a href="/A299527/b299527.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=5

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

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

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

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

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

%Y Cf. A299528.

%K nonn

%O 1,2

%A _R. H. Hardin_, Feb 11 2018