A239541 Number of (7+1)X(n+1) 0..2 arrays with no element equal to all horizontal neighbors or unequal to all vertical neighbors, and new values 0..2 introduced in row major order

405, 7790, 984150, 71388971, 5988724293, 482858009716, 39351464058085, 3197707959464813, 260051519640219195, 21143995321557570468, 1719253480434235036170, 139793164967480337703364

Offset

1,1

Comments

Row 7 of A239537

Links

R. H. Hardin, Table of n, a(n) for n = 1..204

Example

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

Crossrefs

Sequence in context: A204636 A224527 A219147 * A187134 A185839 A285924

Adjacent sequences: A239538 A239539 A239540 * A239542 A239543 A239544

Keyword

nonn

Author

R. H. Hardin, Mar 21 2014

Status

approved