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A298388 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. 1

%I

%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

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Last modified August 12 00:34 EDT 2022. Contains 356067 sequences. (Running on oeis4.)