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A299348 Number of nX6 0..1 arrays with every element equal to 0, 1, 2, 4, 5 or 8 king-move adjacent elements, with upper left element zero. 1

%I #4 Feb 07 2018 09:56:26

%S 32,157,195,1492,6605,25754,150748,749550,3771027,20403891,106116172,

%T 556453590,2956316842,15565137506,82164118264,434754762015,

%U 2296170127137,12134884622722,64159420299124,339113650307159,1792609205017494

%N Number of nX6 0..1 arrays with every element equal to 0, 1, 2, 4, 5 or 8 king-move adjacent elements, with upper left element zero.

%C Column 6 of A299350.

%H R. H. Hardin, <a href="/A299348/b299348.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=5

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

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

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

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

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

%Y Cf. A299350.

%K nonn

%O 1,1

%A _R. H. Hardin_, Feb 07 2018

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Last modified April 25 13:34 EDT 2024. Contains 371971 sequences. (Running on oeis4.)