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Number of nX7 0..1 arrays with every element unequal to 0, 1, 2, 3, 4, 6, 7 or 8 king-move adjacent elements, with upper left element zero.
1

%I #4 Jul 31 2018 12:46:20

%S 64,5912,199987,8305672,376898848,16121282196,703696012516,

%T 30722175114871,1337502015395808,58309965342784953,

%U 2541502467315526566,110764465819955958339,4827733372971557091616,210414786612025217073490

%N Number of nX7 0..1 arrays with every element unequal to 0, 1, 2, 3, 4, 6, 7 or 8 king-move adjacent elements, with upper left element zero.

%C Column 7 of A317572.

%H R. H. Hardin, <a href="/A317571/b317571.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. .0..0..0..1..1..0..1. .0..0..0..0..1..1..1

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

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

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

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

%Y Cf. A317572.

%K nonn

%O 1,1

%A _R. H. Hardin_, Jul 31 2018