A299220 - OEIS

%I #4 Feb 05 2018 12:49:40

%S 1,864,5066,84948,1992466,48911434,1226106440,30729398000,

%T 778116037031,19790046600537,502545421141263,12776486958379265,

%U 324936759791317709,8263214485959250239,210151973765681649219,5344770791861074550207

%N Number of nX7 0..1 arrays with every element equal to 0, 2, 3, 4, 6 or 7 king-move adjacent elements, with upper left element zero.

%C Column 7 of A299221.

%H R. H. Hardin, <a href="/A299220/b299220.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..0..0..0..0. .0..0..0..1..0..0..0

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

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

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

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

%Y Cf. A299221.

%K nonn

%O 1,2

%A _R. H. Hardin_, Feb 05 2018