A223102 Number of nX6 0..2 arrays with exactly floor(nX6/2) elements equal to at least one horizontal or antidiagonal neighbor, with new values introduced in row major 0..2 order

16, 11874, 5010580, 2222762597, 1004385117484, 460895553576913, 213925430588811826, 100165585587431382312, 47223688723595683032176, 22387456851157091753435907, 10661631380026070771348037080

Offset

1,1

Comments

Column 6 of A223104

Links

R. H. Hardin, Table of n, a(n) for n = 1..62

Example

Some solutions for n=3
..0..0..1..2..1..2....0..0..0..1..2..0....0..0..0..0..0..1....0..0..1..0..1..0
..0..0..1..0..0..2....0..1..2..1..1..2....0..1..0..2..0..1....0..0..2..0..1..2
..2..1..2..0..1..0....1..0..1..2..1..2....0..1..1..2..0..1....0..2..0..2..0..2

Crossrefs

Sequence in context: A265634 A191945 A290770 * A167062 A233140 A249968

Adjacent sequences: A223099 A223100 A223101 * A223103 A223104 A223105

Keyword

nonn

Author

R. H. Hardin Mar 14 2013

Status

approved