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%I #4 Jan 17 2018 07:17:48
%S 21,203,94,1086,6236,11175,111137,644056,3190955,27151266,182045025,
%T 1280285105,10257252946,75063403838,571967578126,4496402709938,
%U 34098604190424,264284131602151,2063855052770201,15872082370425994
%N Number of nX7 0..1 arrays with every element equal to 0, 1, 3, 4 or 6 king-move adjacent elements, with upper left element zero.
%C Column 7 of A298320.
%H R. H. Hardin, <a href="/A298319/b298319.txt">Table of n, a(n) for n = 1..210</a>
%e Some solutions for n=7
%e ..0..1..1..1..1..0..1. .0..1..0..0..1..0..0. .0..1..0..1..0..1..0
%e ..1..0..1..0..0..0..0. .1..0..0..0..0..0..0. .1..1..1..1..1..1..1
%e ..1..1..1..1..1..1..0. .1..1..1..1..1..1..1. .0..1..0..1..0..1..0
%e ..1..1..0..0..1..1..0. .1..0..0..1..0..1..1. .1..1..1..0..0..0..1
%e ..0..0..0..0..0..0..0. .0..1..0..0..0..0..0. .1..1..1..1..0..1..1
%e ..1..1..1..1..1..0..1. .1..1..1..0..0..0..0. .0..0..1..1..0..1..1
%e ..0..0..1..0..1..1..0. .0..1..0..1..0..1..1. .0..0..0..0..0..0..0
%Y Cf. A298320.
%K nonn
%O 1,1
%A _R. H. Hardin_, Jan 17 2018
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