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A298052 Number of nX5 0..1 arrays with every element equal to 1, 2, 4 or 6 king-move adjacent elements, with upper left element zero. 1

%I

%S 3,23,23,73,121,231,422,865,1729,3286,6319,12563,24164,46151,91180,

%T 179529,348543,679612,1324925,2580453,5044253,9857924,19226398,

%U 37521143,73217267,142924098,278999274,544730946,1063235208,2075512334,4051405413

%N Number of nX5 0..1 arrays with every element equal to 1, 2, 4 or 6 king-move adjacent elements, with upper left element zero.

%C Column 5 of A298055.

%H R. H. Hardin, <a href="/A298052/b298052.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=5

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

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

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

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

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

%Y Cf. A298055.

%K nonn

%O 1,1

%A _R. H. Hardin_, Jan 11 2018

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Last modified May 27 05:48 EDT 2020. Contains 334649 sequences. (Running on oeis4.)