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Number of nX6 0..1 arrays with each 1 adjacent to 1 or 4 king-move neighboring 1s.
1

%I #4 Dec 02 2017 21:50:06

%S 9,149,785,6545,58506,437195,3547681,28921472,229650211,1848542823,

%T 14876263589,119272404660,958355259940,7699090304032,61820117074182,

%U 496553160861550,3988249779187051,32030901754885095,257263407233229638

%N Number of nX6 0..1 arrays with each 1 adjacent to 1 or 4 king-move neighboring 1s.

%C Column 6 of A296019.

%H R. H. Hardin, <a href="/A296017/b296017.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=5

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

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

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

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

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

%Y Cf. A296019.

%K nonn

%O 1,1

%A _R. H. Hardin_, Dec 02 2017