A228984 Number of nX6 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)X7 0..1 array.

64, 3900, 224720, 11130176, 533254872, 25205141664, 1186378174632, 55757344229608, 2619135139987152, 123008527782636280, 5776771898928159264, 271284921060940783616, 12739804163679631293480, 598272007349013201194072

Offset

1,1

Comments

Column 6 of A228986.

Links

R. H. Hardin, Table of n, a(n) for n = 1..27

Example

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

Crossrefs

Sequence in context: A264221 A232842 A282314 * A222385 A208268 A184759

Adjacent sequences: A228981 A228982 A228983 * A228985 A228986 A228987

Keyword

nonn

Author

R. H. Hardin, Sep 10 2013

Status

approved