A222677 Number of nX6 0..3 arrays with no more than floor(nX6/2) elements unequal to at least one horizontal, diagonal or antidiagonal neighbor, with new values introduced in row major 0..3 order

14, 150, 2398, 58167, 1999404, 96510910, 5825299399, 372722811899, 25643150234387, 1732851881279928, 121094603385909893, 8273098252289456960, 577714636773633984180, 39641590237948653551078, 2761858147163956450688323

Offset

1,1

Comments

Column 6 of A222679

Links

R. H. Hardin, Table of n, a(n) for n = 1..18

Example

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

Crossrefs

Sequence in context: A262183 A357484 A037960 * A016163 A153884 A154239

Adjacent sequences: A222674 A222675 A222676 * A222678 A222679 A222680

Keyword

nonn

Author

R. H. Hardin Feb 28 2013

Status

approved