A208432 Number of nX6 0..2 arrays with new values 0..2 introduced in row major order and no element equal to any knight-move neighbor (colorings ignoring permutations of colors)

122, 3456, 4155, 32813, 365195, 3673572, 36422648, 371453021, 3793404050, 38533409422, 391811506309, 3988721278761, 40593813655965, 413056518517661, 4203452149533013, 42777575164793479, 435327190739395292

Offset

1,1

Comments

Column 6 of A208434

Links

R. H. Hardin, Table of n, a(n) for n = 1..210

Example

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

Crossrefs

Sequence in context: A276252 A259528 A192870 * A275356 A275146 A275226

Adjacent sequences: A208429 A208430 A208431 * A208433 A208434 A208435

Keyword

nonn

Author

R. H. Hardin Feb 26 2012

Status

approved