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A304929 Number of nX6 0..1 arrays with every element unequal to 0, 1, 3, 5 or 7 king-move adjacent elements, with upper left element zero. 1

%I

%S 13,105,101,374,1034,2653,6426,16855,42256,110818,293243,759597,

%T 1962550,5113934,13247520,34363929,89475407,232484569,603475499,

%U 1568532379,4074861880,10582600325,27499026562,71450610025,185607848522

%N Number of nX6 0..1 arrays with every element unequal to 0, 1, 3, 5 or 7 king-move adjacent elements, with upper left element zero.

%C Column 6 of A304931.

%H R. H. Hardin, <a href="/A304929/b304929.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=5

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

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

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

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

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

%Y Cf. A304931.

%K nonn

%O 1,1

%A _R. H. Hardin_, May 21 2018

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Last modified June 27 05:25 EDT 2022. Contains 354888 sequences. (Running on oeis4.)