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A298658 Number of nX6 0..1 arrays with every element equal to 1, 2, 4, 6 or 7 king-move adjacent elements, with upper left element zero. 1

%I

%S 5,49,34,173,431,1116,2562,6711,17405,48462,125671,334571,901387,

%T 2398458,6398293,17158639,45911441,122885609,329214517,881849126,

%U 2361859125,6328533398,16955926709,45429854362,121730159805,326179436515

%N Number of nX6 0..1 arrays with every element equal to 1, 2, 4, 6 or 7 king-move adjacent elements, with upper left element zero.

%C Column 6 of A298660.

%H R. H. Hardin, <a href="/A298658/b298658.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=5

%e ..0..1..0..0..1..1. .0..1..0..1..1..0. .0..1..1..1..1..0. .0..1..0..0..1..0

%e ..1..0..0..0..0..0. .1..0..1..0..0..1. .0..0..1..1..0..0. .1..0..1..1..1..0

%e ..0..0..0..1..0..1. .1..0..0..0..1..0. .0..0..1..1..1..1. .0..0..1..1..1..0

%e ..0..0..0..1..1..0. .1..0..0..0..0..1. .1..0..1..0..1..0. .0..0..1..0..1..0

%e ..0..1..1..0..1..0. .1..0..1..1..1..0. .1..0..0..0..1..0. .0..1..1..0..1..1

%Y Cf. A298660.

%K nonn

%O 1,1

%A _R. H. Hardin_, Jan 24 2018

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Last modified January 17 18:14 EST 2020. Contains 330987 sequences. (Running on oeis4.)