A222991 Number of 6Xn 0..2 arrays with no more than floor(6Xn/2) elements unequal to at least one horizontal or antidiagonal neighbor, with new values introduced in row major 0..2 order

122, 1630, 45718, 1037326, 29158784, 850056406, 26345532486, 850132044445, 28482001680709, 982083041717413, 34622216350782421, 1240366889332857310, 44950836504928408971, 1642283926525837580282, 60348527739514946568760

Offset

1,1

Comments

Row 6 of A222986

Links

R. H. Hardin, Table of n, a(n) for n = 1..17

Example

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

Crossrefs

Sequence in context: A281060 A274726 A249532 * A208049 A276252 A259528

Adjacent sequences: A222988 A222989 A222990 * A222992 A222993 A222994

Keyword

nonn

Author

R. H. Hardin Mar 11 2013

Status

approved