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A281033 Number of nX7 0..1 arrays with no element equal to more than three of its king-move neighbors, with the exception of exactly one element, and with new values introduced in order 0 sequentially upwards. 1
0, 1048, 31700, 146606, 722952, 3042556, 12164474, 46511454, 172759149, 628675456, 2254017339, 7988988368, 28056053572, 97767659494, 338498139062, 1165614974008, 3995250761421, 13639469138120, 46401641163562 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
COMMENTS
Column 7 of A281034.
LINKS
EXAMPLE
Some solutions for n=4
..0..0..0..1..1..0..1. .0..1..0..1..0..1..0. .0..0..1..0..1..0..1
..1..1..0..0..0..1..1. .1..0..1..0..1..0..1. .1..0..1..0..1..0..1
..0..1..1..1..1..1..0. .0..0..1..0..1..0..1. .1..0..1..0..0..0..1
..0..0..0..0..0..0..0. .1..0..1..0..0..1..0. .0..0..1..1..1..1..0
CROSSREFS
Cf. A281034.
Sequence in context: A252307 A236273 A251375 * A337960 A331346 A164771
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 13 2017
STATUS
approved

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Last modified February 27 16:21 EST 2024. Contains 370378 sequences. (Running on oeis4.)