A197440 Number of nX6 0..2 arrays with no element equal to the average of its horizontal and vertical neighbors

164, 89528, 37989740, 15068331840, 6117749044788, 2476133354164264, 1002605692717130692, 405955156856554399238, 164371431760256700590038, 66554100814528841770905242, 26947801511575118488851200530

Offset

1,1

Comments

Column 6 of A197442

Links

R. H. Hardin, Table of n, a(n) for n = 1..59

Example

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

Crossrefs

Sequence in context: A238773 A289332 A300057 * A261758 A252725 A168355

Adjacent sequences: A197437 A197438 A197439 * A197441 A197442 A197443

Keyword

nonn

Author

R. H. Hardin Oct 15 2011

Status

approved