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A317382 Number of nX7 0..1 arrays with every element unequal to 0, 1, 2, 5, 6, 7 or 8 king-move adjacent elements, with upper left element zero. 1

%I

%S 64,101,731,5704,52617,508181,4726521,44156330,416173164,3910781456,

%T 36706659069,345101051493,3243559396952,30475536981532,

%U 286405959411440,2691636786909646,25294309153595416,237705058354164840

%N Number of nX7 0..1 arrays with every element unequal to 0, 1, 2, 5, 6, 7 or 8 king-move adjacent elements, with upper left element zero.

%C Column 7 of A317383.

%H R. H. Hardin, <a href="/A317382/b317382.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=5

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

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

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

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

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

%Y Cf. A317383.

%K nonn

%O 1,1

%A _R. H. Hardin_, Jul 26 2018

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Last modified October 23 11:46 EDT 2021. Contains 348212 sequences. (Running on oeis4.)