A205752 Number of (n+1)X8 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

46709, 279504, 7401826, 88143754, 1885888870, 26828234464, 528507252157, 8142071823898, 150897062896760, 2433101515248386, 43576907137276890, 720763526062990940, 12660252875952041246, 212486499238257674586

Offset

1,1

Comments

Column 7 of A205753

Links

R. H. Hardin, Table of n, a(n) for n = 1..136

Example

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

Crossrefs

Sequence in context: A255514 A251502 A052359 * A205474 A232411 A171103

Adjacent sequences: A205749 A205750 A205751 * A205753 A205754 A205755

Keyword

nonn

Author

R. H. Hardin Jan 30 2012

Status

approved