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%I #4 Jan 18 2018 07:46:49
%S 8,2048,13075,135226,2837337,38706835,509195874,8032883165,
%T 118750882425,1707709022909,25502618858251,378609557364591,
%U 5566330211694048,82417823620354907,1220987680054491593,18041261703098651443
%N Number of nX7 0..1 arrays with every element equal to 1, 2, 3, 5 or 6 king-move adjacent elements, with upper left element zero.
%C Column 7 of A298389.
%H R. H. Hardin, <a href="/A298388/b298388.txt">Table of n, a(n) for n = 1..210</a>
%e Some solutions for n=4
%e ..0..0..1..1..0..1..1. .0..0..0..0..0..0..0. .0..0..1..0..0..1..0
%e ..1..1..0..1..0..0..0. .0..1..1..1..1..1..0. .0..1..1..1..0..0..1
%e ..0..1..0..1..0..1..0. .1..0..0..1..0..0..1. .1..1..1..0..0..1..0
%e ..1..0..0..1..1..0..1. .1..1..1..1..1..1..0. .0..0..1..1..1..1..0
%Y Cf. A298389.
%K nonn
%O 1,1
%A _R. H. Hardin_, Jan 18 2018