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 A316216 Number of n X 6 0..1 arrays with every element unequal to 0, 1, 2, 4, 5 or 8 king-move adjacent elements, with upper left element zero. 1

%I #6 Sep 07 2022 08:05:43

%S 32,284,706,5883,44018,273102,1906841,13506787,92623868,641933451,

%T 4471064237,31021448962,215305522148,1495767093055,10387416412282,

%U 72132606772009,500962748297230,3479117395765447,24161812079182379

%N Number of n X 6 0..1 arrays with every element unequal to 0, 1, 2, 4, 5 or 8 king-move adjacent elements, with upper left element zero.

%C Column 6 of A316218.

%H R. H. Hardin, <a href="/A316216/b316216.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=5

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

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

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

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

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

%Y Cf. A316218.

%K nonn

%O 1,1

%A _R. H. Hardin_, Jun 26 2018

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Last modified December 9 18:33 EST 2023. Contains 367693 sequences. (Running on oeis4.)