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A317602 Number of nX6 0..1 arrays with every element unequal to 0, 1, 2, 3, 5, 6, 7 or 8 king-move adjacent elements, with upper left element zero. 1

%I #4 Aug 01 2018 13:38:17

%S 32,569,8872,143866,2349106,40015089,679103465,11512061359,

%T 195586936443,3322899310077,56438373128526,958683618871687,

%U 16285233288928179,276632350626287296,4699064825018901907,79821897002306913942

%N Number of nX6 0..1 arrays with every element unequal to 0, 1, 2, 3, 5, 6, 7 or 8 king-move adjacent elements, with upper left element zero.

%C Column 6 of A317604.

%H R. H. Hardin, <a href="/A317602/b317602.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..0..0..0..1..1. .0..0..0..0..1..0. .0..0..0..0..0..0

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

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

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

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

%Y Cf. A317604.

%K nonn

%O 1,1

%A _R. H. Hardin_, Aug 01 2018

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Last modified May 9 02:58 EDT 2024. Contains 372341 sequences. (Running on oeis4.)