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Number of nX6 0..1 arrays with every element unequal to 0, 1, 2, 4, 6, 7 or 8 king-move adjacent elements, with upper left element zero.
1

%I #4 Jul 24 2018 10:38:54

%S 32,184,597,2432,24487,157007,995887,7221707,50355283,342591805,

%T 2379513980,16554117438,114353690440,791567706477,5488412860917,

%U 38006863972394,263176978887880,1823153547159799,12628183999254906

%N Number of nX6 0..1 arrays with every element unequal to 0, 1, 2, 4, 6, 7 or 8 king-move adjacent elements, with upper left element zero.

%C Column 6 of A317238.

%H R. H. Hardin, <a href="/A317236/b317236.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=5

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

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

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

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

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

%Y Cf. A317238.

%K nonn

%O 1,1

%A _R. H. Hardin_, Jul 24 2018

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Last modified September 22 18:22 EDT 2024. Contains 376133 sequences. (Running on oeis4.)