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A281771 Number of 7Xn 0..1 arrays with no element unequal to a strict majority of its horizontal, diagonal and antidiagonal neighbors, with the exception of exactly one element, and with new values introduced in order 0 sequentially upwards. 1
0, 120, 672, 18358, 201450, 2848436, 38998648, 491290688, 6531040026, 83421129072, 1061825672182, 13538745056328, 170149200534678, 2139241444399412, 26751312122710302, 332989768683012174 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
COMMENTS
Row 7 of A281765.
LINKS
EXAMPLE
Some solutions for n=4
..0..0..1..1. .0..1..1..1. .0..1..1..0. .0..1..1..1. .0..0..0..0
..0..0..0..1. .0..0..1..1. .1..1..0..0. .0..0..1..1. .1..1..0..0
..0..0..1..1. .0..0..1..1. .1..0..0..0. .0..0..0..0. .1..1..1..0
..0..0..1..1. .0..1..1..1. .1..1..0..0. .0..0..0..0. .1..1..0..1
..0..1..0..0. .0..0..1..1. .1..1..1..0. .1..1..1..1. .0..0..1..1
..1..0..1..0. .1..1..0..0. .0..0..0..1. .1..1..1..0. .0..0..1..1
..1..1..0..1. .1..1..0..0. .0..0..1..1. .1..1..0..0. .1..1..0..0
CROSSREFS
Cf. A281765.
Sequence in context: A306373 A356548 A113546 * A166069 A114887 A069085
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 29 2017
STATUS
approved

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Last modified June 18 06:11 EDT 2024. Contains 373468 sequences. (Running on oeis4.)