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A299552
Number of nX6 0..1 arrays with every element equal to 2, 3, 4, 5, 6 or 8 king-move adjacent elements, with upper left element zero.
1
0, 41, 752, 17565, 621694, 19604624, 648002718, 21337630973, 704140369456, 23261634737704, 768519314170011, 25395763400048874, 839234030698101935, 27734287101696482836, 916548572558741234037, 30289757269264885126830
OFFSET
1,2
COMMENTS
Column 6 of A299554.
LINKS
EXAMPLE
Some solutions for n=5
..0..0..0..1..1..1. .0..0..1..1..1..1. .0..1..1..0..0..0. .0..0..1..1..1..1
..0..0..0..1..1..1. .0..1..1..1..1..1. .0..0..1..0..0..0. .0..1..0..1..1..1
..0..1..1..1..1..1. .0..0..1..1..1..1. .0..0..1..0..0..0. .0..1..0..1..1..1
..0..0..1..0..0..0. .0..0..1..1..1..1. .0..0..1..0..0..0. .0..0..1..1..0..0
..0..0..0..0..0..0. .0..1..1..1..1..1. .0..1..1..0..0..0. .0..0..1..1..1..0
CROSSREFS
Cf. A299554.
Sequence in context: A060563 A200914 A221790 * A246642 A167737 A268993
KEYWORD
nonn
AUTHOR
R. H. Hardin, Feb 12 2018
STATUS
approved