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A316446 Number of nX6 0..1 arrays with every element unequal to 1, 2, 3, 5, 6 or 8 king-move adjacent elements, with upper left element zero. 1

%I #4 Jul 03 2018 09:11:48

%S 5,333,2832,26592,325839,3624515,39827783,450251619,5054524591,

%T 56578716738,634936650160,7125189371718,79916528368117,

%U 896523310090091,10058160152676107,112836051189847100,1265844361104781403

%N Number of nX6 0..1 arrays with every element unequal to 1, 2, 3, 5, 6 or 8 king-move adjacent elements, with upper left element zero.

%C Column 6 of A316448.

%H R. H. Hardin, <a href="/A316446/b316446.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=5

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

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

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

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

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

%Y Cf. A316448.

%K nonn

%O 1,1

%A _R. H. Hardin_, Jul 03 2018

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Last modified April 24 11:49 EDT 2024. Contains 371936 sequences. (Running on oeis4.)