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Number of nX7 0..1 arrays with every element equal to 0, 1, 2, 4, 5, 7 or 8 king-move adjacent elements, with upper left element zero.
1

%I #4 Feb 21 2018 11:51:13

%S 64,353,632,6542,53159,324797,2714797,21236116,164681059,1324743079,

%T 10484425460,83863545724,672893105104,5372830130506,43082335143433,

%U 345656025983818,2769212623103764,22208496535336149,178160302556262981

%N Number of nX7 0..1 arrays with every element equal to 0, 1, 2, 4, 5, 7 or 8 king-move adjacent elements, with upper left element zero.

%C Column 7 of A299879.

%H R. H. Hardin, <a href="/A299878/b299878.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=5

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

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

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

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

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

%Y Cf. A299879.

%K nonn

%O 1,1

%A _R. H. Hardin_, Feb 21 2018