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Number of nX7 0..1 arrays with every element equal to 1, 2, 3, 5 or 8 king-move adjacent elements, with upper left element zero.
1

%I #4 Jan 26 2018 08:29:53

%S 8,2048,11807,89295,754713,6456802,53950338,454801194,3847185453,

%T 32497437189,274558538901,2321648021996,19629628158181,

%U 165957305627364,1403226073953134,11865080326336066,100325233293376853

%N Number of nX7 0..1 arrays with every element equal to 1, 2, 3, 5 or 8 king-move adjacent elements, with upper left element zero.

%C Column 7 of A298770.

%H R. H. Hardin, <a href="/A298769/b298769.txt">Table of n, a(n) for n = 1..112</a>

%e Some solutions for n=4

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

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

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

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

%Y Cf. A298770.

%K nonn

%O 1,1

%A _R. H. Hardin_, Jan 26 2018