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Number of nX6 0..1 arrays with every element equal to 0, 1, 2, 3, 4, 5, 7 or 8 king-move adjacent elements, with upper left element zero.
1

%I #4 Feb 28 2018 14:21:32

%S 32,2048,86775,4023881,186427449,8664017314,402932952786,

%T 18741286700978,871742323938453,40549251015486612,1886161222951010871,

%U 87735473878569363763,4081048501162756431234,189831515389760442425217

%N Number of nX6 0..1 arrays with every element equal to 0, 1, 2, 3, 4, 5, 7 or 8 king-move adjacent elements, with upper left element zero.

%C Column 6 of A300215.

%H R. H. Hardin, <a href="/A300213/b300213.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=5

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

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

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

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

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

%Y Cf. A300215.

%K nonn

%O 1,1

%A _R. H. Hardin_, Feb 28 2018