%I #4 Jan 11 2018 08:23:10
%S 0,54,953,13350,302143,7794251,180902016,4321153141,102552409457,
%T 2453761654793,58598441957270,1398559408845196,33406481023496985,
%U 797830290769560556,19053436159307289623,455043131244674608337
%N Number of nX7 0..1 arrays with every element equal to 2, 3, 4 or 6 king-move adjacent elements, with upper left element zero.
%C Column 7 of A298070.
%H R. H. Hardin, <a href="/A298069/b298069.txt">Table of n, a(n) for n = 1..210</a>
%e Some solutions for n=4
%e ..0..0..0..0..0..0..1. .0..0..1..0..0..0..0. .0..0..0..0..1..1..1
%e ..0..0..1..1..0..1..1. .0..1..1..0..1..1..0. .0..1..1..1..0..0..1
%e ..1..0..0..1..1..0..1. .0..1..1..0..1..0..1. .0..0..1..0..0..1..0
%e ..1..1..0..0..0..1..1. .0..0..1..0..0..1..1. .0..1..1..1..1..0..0
%Y Cf. A298070.
%K nonn
%O 1,2
%A _R. H. Hardin_, Jan 11 2018