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A283955 Number of 6Xn 0..1 arrays with no 1 equal to more than three of its horizontal, diagonal and antidiagonal neighbors, with the exception of exactly one element. 1
0, 0, 71486, 4510608, 242330064, 13010689912, 667015216686, 32960788748780, 1600697201681958, 76611709398415200, 3619757534989162198, 169346455636754049580, 7859113340842715699470, 362219493645285494837272 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,3
COMMENTS
Row 6 of A283950.
LINKS
EXAMPLE
Some solutions for n=3
..1..1..1. .1..1..0. .1..0..0. .1..1..1. .1..1..0. .0..0..1. .0..0..1
..0..1..1. .1..0..1. .0..0..0. .1..1..0. .1..0..1. .0..0..1. .0..0..1
..1..0..1. .1..1..1. .0..1..1. .0..0..1. .1..1..0. .0..1..1. .1..1..1
..0..0..1. .1..1..0. .1..1..1. .1..0..0. .0..0..1. .0..0..1. .0..1..1
..1..0..0. .0..0..0. .1..0..0. .1..1..1. .1..0..0. .1..0..1. .0..0..0
..0..0..1. .1..0..1. .1..0..0. .0..0..0. .1..0..0. .1..1..1. .1..1..0
CROSSREFS
Cf. A283950.
Sequence in context: A215994 A101250 A031865 * A114661 A119397 A025300
KEYWORD
nonn
AUTHOR
R. H. Hardin, Mar 18 2017
STATUS
approved

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Last modified July 18 16:16 EDT 2024. Contains 374388 sequences. (Running on oeis4.)