

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


1



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



