|
%I
%S 8,2048,11614,88441,750733,6423236,53630550,451993176,3822668362,
%T 32280441976,272629391142,2304614292374,19479506089623,
%U 164635199364476,1391603138141113,11763053589275172,99430718267953488,840477009021797422
%N Number of nX7 0..1 arrays with every element equal to 1, 2, 3 or 5 king-move adjacent elements, with upper left element zero.
%C Column 7 of A297951.
%H R. H. Hardin, <a href="/A297950/b297950.txt">Table of n, a(n) for n = 1..210</a>
%e Some solutions for n=4
%e ..0..1..0..1..0..1..0. .0..1..1..0..1..0..1. .0..1..0..1..0..0..1
%e ..1..0..0..1..0..1..0. .1..0..0..1..0..0..1. .0..1..0..1..0..1..1
%e ..0..1..0..1..0..1..0. .1..1..1..1..1..1..1. .0..1..0..1..0..1..0
%e ..1..1..0..1..1..0..1. .0..0..0..0..0..0..0. .0..0..1..1..0..1..0
%Y Cf. A297951.
%K nonn
%O 1,1
%A _R. H. Hardin_, Jan 09 2018
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