A300095 - OEIS

%I #6 Feb 25 2018 06:21:24

%S 1,130,225,2168,27614,310762,3273425,36840985,436133886,4876931972,

%T 55870453673,644023571658,7391826228607,84911035839783,

%U 976794984477035,11245249784683512,129394883818758642,1489550733030738817

%N Number of nX7 0..1 arrays with every element equal to 0, 2, 3, 5, 6, 7 or 8 king-move adjacent elements, with upper left element zero.

%C Column 7 of A300096.

%H R. H. Hardin, <a href="/A300095/b300095.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..0..1..0..0..1. .0..1..1..1..0..0..0

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

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

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

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

%Y Cf. A300096.

%K nonn

%O 1,2

%A _R. H. Hardin_, Feb 24 2018