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%I #6 Dec 27 2023 01:13:33
%S 1,99,120,287,1436,5296,18950,76117,313593,1223755,4910872,20032709,
%T 79956642,322609167,1304677522,5257674436,21210939485,85682310404,
%U 345796184542,1395755609802,5635920794015,22752476546255,91855101525832
%N Number of n X 7 0..1 arrays with every element unequal to 0, 2, 3, 5 or 7 king-move adjacent elements, with upper left element zero.
%C Column 7 of A304952.
%H R. H. Hardin, <a href="/A304951/b304951.txt">Table of n, a(n) for n = 1..210</a>
%e Some solutions for n=5
%e ..0..1..1..1..1..0..0. .0..0..0..1..1..1..1. .0..0..1..1..1..0..1
%e ..1..1..0..0..1..0..0. .1..1..0..1..1..1..1. .0..0..1..1..1..0..0
%e ..0..0..0..1..0..0..0. .1..0..1..1..0..0..0. .0..0..0..0..1..1..0
%e ..0..0..1..0..1..0..0. .0..1..0..1..1..1..0. .0..0..1..0..0..0..1
%e ..0..0..1..1..0..1..1. .1..0..0..1..1..1..0. .1..1..0..0..1..0..1
%Y Cf. A304952.
%K nonn
%O 1,2
%A _R. H. Hardin_, May 22 2018
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