A228983 Number of nX5 0..1 arrays of the median of the corresponding element, the element to the east and the element to the south in a larger (n+1)X6 0..1 array.

32, 992, 29808, 796568, 20729216, 533254872, 13667372880, 349809115952, 8948779914072, 228885604563552, 5853895772682504, 149713607732282248, 3828898639867626952, 97923093445600363920, 2504355020735473192520

Offset

1,1

Comments

Column 5 of A228986.

Links

R. H. Hardin, Table of n, a(n) for n = 1..172

Example

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

Crossrefs

Sequence in context: A276298 A282313 A264344 * A162836 A163215 A163565

Adjacent sequences: A228980 A228981 A228982 * A228984 A228985 A228986

Keyword

nonn

Author

R. H. Hardin, Sep 10 2013

Status

approved