A228976 Number of nX6 0..2 arrays of the median of the corresponding element, the element to the east and the element to the south in a larger (n+1)X7 0..2 array.

729, 488037, 284888979, 129504297807, 55502388155025, 23319328706411649, 9736913305392113829, 4057250822057923336761, 1689435771741874929364233, 703314412636157164130333145, 292767267794819630543369087313

Offset

1,1

Comments

Column 6 of A228977.

Links

R. H. Hardin, Table of n, a(n) for n = 1..13

Example

Some solutions for n=4
..0..0..0..0..0..0....0..0..0..0..0..2....0..0..0..0..0..0....0..0..0..0..1..1
..0..0..0..0..2..0....0..0..0..0..2..2....0..0..0..0..0..0....0..0..0..0..0..1
..0..0..0..1..2..2....0..0..0..1..1..2....0..0..0..0..2..1....0..0..0..0..2..1
..0..0..2..0..1..0....0..0..1..0..0..2....0..0..0..0..1..1....0..0..1..2..0..1

Crossrefs

Sequence in context: A223555 A222443 A223330 * A016950 A223793 A223979

Adjacent sequences: A228973 A228974 A228975 * A228977 A228978 A228979

Keyword

nonn

Author

R. H. Hardin, Sep 10 2013

Status

approved