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A280179
Number of nX7 0..1 arrays with no element unequal to a strict majority of its horizontal, vertical and antidiagonal neighbors, with the exception of exactly two elements, and with new values introduced in order 0 sequentially upwards.
1
15, 656, 13720, 202693, 2665301, 31821879, 359880117, 3910652938, 41205820599, 424186764568, 4286516071132, 42663698232264, 419306557225259, 4077141776062489, 39281413060768999, 375445083262145664
OFFSET
1,1
COMMENTS
Column 7 of A280180.
LINKS
EXAMPLE
Some solutions for n=3
..0..0..0..1..1..0..0. .0..0..0..0..1..1..1. .0..0..0..0..0..1..1
..0..0..1..1..1..0..1. .0..0..0..0..1..1..1. .0..0..1..1..0..1..1
..0..0..0..0..0..1..1. .1..0..0..0..0..0..1. .1..1..1..0..0..1..1
CROSSREFS
Cf. A280180.
Sequence in context: A351180 A092958 A222268 * A223203 A279465 A349889
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 28 2016
STATUS
approved