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A298665 Number of nX6 0..1 arrays with every element equal to 0, 3, 4, 6 or 7 king-move adjacent elements, with upper left element zero. 1

%I #4 Jan 24 2018 10:27:51

%S 1,1,8,9,38,169,238,1019,3112,7518,25887,74736,218787,690826,2069920,

%T 6363967,19855161,61528839,192963096,609853755,1933979526,6175400889,

%U 19859400627,64164744962,208511225451,681665542190,2238543624216

%N Number of nX6 0..1 arrays with every element equal to 0, 3, 4, 6 or 7 king-move adjacent elements, with upper left element zero.

%C Column 6 of A298667.

%H R. H. Hardin, <a href="/A298665/b298665.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=8

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

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

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

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

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

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

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

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

%Y Cf. A298667.

%K nonn

%O 1,3

%A _R. H. Hardin_, Jan 24 2018

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Last modified April 18 15:44 EDT 2024. Contains 371780 sequences. (Running on oeis4.)