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A317602
Number of nX6 0..1 arrays with every element unequal to 0, 1, 2, 3, 5, 6, 7 or 8 king-move adjacent elements, with upper left element zero.
1
32, 569, 8872, 143866, 2349106, 40015089, 679103465, 11512061359, 195586936443, 3322899310077, 56438373128526, 958683618871687, 16285233288928179, 276632350626287296, 4699064825018901907, 79821897002306913942
OFFSET
1,1
COMMENTS
Column 6 of A317604.
LINKS
EXAMPLE
Some solutions for n=5
..0..1..0..0..0..1. .0..0..0..0..1..1. .0..0..0..0..1..0. .0..0..0..0..0..0
..0..0..0..0..1..0. .0..0..1..1..0..1. .0..0..0..0..1..1. .0..0..0..0..1..1
..0..0..1..0..0..0. .0..0..0..0..1..1. .0..0..1..0..0..1. .0..0..1..0..1..0
..0..0..0..0..0..1. .0..0..0..1..1..1. .0..0..0..0..1..1. .0..0..0..0..0..0
..0..1..0..0..0..0. .0..1..0..0..1..1. .1..0..1..0..0..0. .1..0..0..0..1..0
CROSSREFS
Cf. A317604.
Sequence in context: A305591 A317009 A316874 * A054338 A234435 A010557
KEYWORD
nonn
AUTHOR
R. H. Hardin, Aug 01 2018
STATUS
approved