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A298506 Number of nX6 0..1 arrays with every element equal to 0, 2, 3, 4 or 7 king-move adjacent elements, with upper left element zero. 1
1, 301, 493, 6063, 86979, 1091801, 16092678, 225171354, 3223061387, 46174809917, 659093090821, 9437775063057, 135040978679593, 1932379244052466, 27655329025458746, 395773347021904471, 5664028208790283929 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
COMMENTS
Column 6 of A298508.
LINKS
EXAMPLE
Some solutions for n=5
..0..1..1..0..1..0. .0..0..1..0..1..0. .0..1..0..0..0..0. .0..0..0..0..0..0
..0..0..1..0..0..0. .0..1..1..0..0..0. .1..1..0..1..0..1. .0..1..1..0..0..1
..0..1..1..0..0..0. .1..0..1..0..0..0. .1..0..0..1..1..1. .0..1..0..0..0..0
..1..0..1..0..1..0. .0..1..1..0..1..0. .1..0..0..1..1..1. .0..1..1..1..1..1
..1..1..0..0..1..1. .0..0..0..0..1..1. .1..1..0..1..0..1. .0..0..1..0..1..1
CROSSREFS
Cf. A298508.
Sequence in context: A004225 A004226 A297913 * A282769 A256101 A070192
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 20 2018
STATUS
approved

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Last modified April 18 11:52 EDT 2024. Contains 371779 sequences. (Running on oeis4.)