A205756 Number of 5X(n+1) 0..2 arrays with every 2X2 subblock having the same number of equal edges as its horizontal neighbors and a different number from its vertical neighbors, and new values 0..2 introduced in row major order.

2268, 12384, 63838, 383290, 2244622, 14131118, 88143754, 572187838, 3709029086, 24613160072, 163670433374, 1104155427184, 7473775678826, 51060113489722, 350078262846120, 2415378206667070, 16720104940755442, 116264115349570420

Offset

1,1

Comments

Row 4 of A205753

Links

R. H. Hardin, Table of n, a(n) for n = 1..210

Example

Some solutions for n=4
..0..0..1..0..2....0..0..1..2..0....0..0..1..0..1....0..1..0..1..0
..2..0..0..0..2....1..0..1..2..2....1..1..1..1..1....0..0..0..0..0
..2..1..2..1..2....1..2..1..0..1....1..1..1..1..1....0..0..0..0..0
..1..2..1..0..1....0..1..2..1..2....1..2..1..2..1....1..0..2..0..1
..2..2..1..1..1....2..1..0..0..2....2..1..0..1..0....2..0..1..0..2

Crossrefs

Sequence in context: A206212 A154673 A130179 * A205586 A125253 A308792

Adjacent sequences: A205753 A205754 A205755 * A205757 A205758 A205759

Keyword

nonn

Author

R. H. Hardin, Jan 30 2012

Status

approved