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A279703
Number of n X n 0..1 arrays with no element equal to a strict majority of its horizontal and antidiagonal neighbors and with new values introduced in order 0 sequentially upwards.
0
1, 2, 11, 125, 3245, 187484, 24137862, 6837220721, 4307342174510, 5994530717421378, 18451958514090493382
OFFSET
1,2
COMMENTS
Diagonal of A279709.
EXAMPLE
Some solutions for n=4
..0..1..0..1. .0..1..0..1. .0..1..0..0. .0..1..0..1. .0..1..1..0
..0..1..0..0. .1..0..0..1. .0..1..1..1. .0..1..1..0. .0..0..1..0
..0..1..1..0. .1..0..1..0. .1..0..0..0. .0..0..1..1. .1..0..0..1
..0..0..1..0. .1..0..1..0. .0..1..1..0. .1..0..0..1. .1..1..0..1
CROSSREFS
Cf. A279709.
Sequence in context: A361036 A224366 A342357 * A206401 A193207 A112864
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 17 2016
STATUS
approved