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

%I #4 Jan 18 2018 07:45:34

%S 5,604,3387,26926,384118,3935913,38706835,445387553,4869394793,

%T 51744525546,569151489101,6237785819571,67664627100820,

%U 738872699452020,8077145944657670,88048395398145403,960752441012887207

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

%C Column 6 of A298389.

%H R. H. Hardin, <a href="/A298387/b298387.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=4

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

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

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

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

%Y Cf. A298389.

%K nonn

%O 1,1

%A _R. H. Hardin_, Jan 18 2018