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%I #6 Jan 16 2022 00:30:22
%S 1,49,58,139,468,1916,5296,17450,62128,207139,693887,2374914,8053735,
%T 27274672,92857712,315536730,1072011317,3644889383,12392444295,
%U 42124232144,143216096733,486915951642,1655379720756,5628020733928
%N Number of n X 6 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 6 of A304952.
%H R. H. Hardin, <a href="/A304950/b304950.txt">Table of n, a(n) for n = 1..210</a>
%e Some solutions for n=5
%e ..0..0..0..0..1..1. .0..1..0..1..0..0. .0..1..0..1..0..0. .0..0..0..1..1..1
%e ..1..1..1..0..1..1. .1..1..1..1..0..0. .0..1..1..1..0..0. .1..1..1..0..0..0
%e ..1..0..0..0..0..0. .0..0..0..1..0..0. .0..0..1..0..0..0. .1..0..0..1..1..0
%e ..0..1..0..0..0..0. .0..1..1..1..1..1. .0..1..1..0..1..1. .0..1..0..1..0..1
%e ..1..0..1..1..1..1. .0..1..1..1..1..1. .1..0..0..1..1..0. .0..1..1..0..0..1
%Y Cf. A304952.
%K nonn
%O 1,2
%A _R. H. Hardin_, May 22 2018
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