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A279490 Number of nX4 0..1 arrays with no element equal 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
3, 18, 254, 2684, 26157, 246237, 2241332, 19885341, 172968364, 1481176019, 12518566165, 104634697841, 866300549164, 7113499311107, 57991161908834, 469750378139503, 3783568376847729, 30319325084628268, 241845032680119474 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 4 of A279494.
LINKS
EXAMPLE
Some solutions for n=4
..0..1..1..1. .0..0..0..0. .0..1..0..0. .0..1..0..1. .0..1..1..0
..0..1..0..1. .1..0..1..1. .0..1..0..0. .0..1..0..0. .1..1..0..1
..0..1..0..0. .1..1..0..1. .0..0..1..1. .1..1..0..1. .0..0..1..1
..0..1..0..1. .0..0..1..0. .1..1..0..1. .1..0..1..0. .0..1..0..0
CROSSREFS
Cf. A279494.
Sequence in context: A038061 A232916 A327231 * A299431 A222790 A128775
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 13 2016
STATUS
approved

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Last modified April 20 03:03 EDT 2024. Contains 371798 sequences. (Running on oeis4.)