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A317435 Number of nX7 0..1 arrays with every element unequal to 1, 2, 3, 5, 6, 7 or 8 king-move adjacent elements, with upper left element zero. 1

%I

%S 8,928,14831,225065,5282805,113897676,2326497716,49910970516,

%T 1074044399955,22824262336104,486801053621993,10409630007370235,

%U 222179877923281418,4741952864296795716,101263911319542935354

%N Number of nX7 0..1 arrays with every element unequal to 1, 2, 3, 5, 6, 7 or 8 king-move adjacent elements, with upper left element zero.

%C Column 7 of A317436.

%H R. H. Hardin, <a href="/A317435/b317435.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=5

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

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

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

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

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

%Y Cf. A317436.

%K nonn

%O 1,1

%A _R. H. Hardin_, Jul 27 2018

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Last modified January 26 23:54 EST 2022. Contains 350601 sequences. (Running on oeis4.)