A222546 Number of 6Xn 0..1 arrays with no more than floor(6Xn/2) elements unequal to at least one horizontal, diagonal or antidiagonal neighbor, with new values introduced in row major 0..1 order

32, 78, 871, 5216, 44498, 371241, 3438351, 32727579, 323683806, 3258535113, 33304705758, 343323474697, 3561956997587, 37112189106371, 387889478244537, 4063920368785127, 42656328285127572, 448450743473716720

Offset

1,1

Comments

Row 6 of A222541

Links

R. H. Hardin, Table of n, a(n) for n = 1..26

Example

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

Crossrefs

Sequence in context: A303583 A224220 A007797 * A240054 A135269 A234140

Adjacent sequences: A222543 A222544 A222545 * A222547 A222548 A222549

Keyword

nonn

Author

R. H. Hardin Feb 24 2013

Status

approved