A205757 Number of 6X(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

12574, 82992, 507035, 3869807, 28155907, 233316016, 1885888870, 16599011784, 144835219234, 1335751969435, 12319659225966, 117640826011747, 1127388561521481, 11036054002196311, 108508423769699944

Offset

1,1

Comments

Row 5 of A205753

Links

R. H. Hardin, Table of n, a(n) for n = 1..121

Example

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

Crossrefs

Sequence in context: A225151 A237907 A251296 * A205587 A235103 A216990

Adjacent sequences: A205754 A205755 A205756 * A205758 A205759 A205760

Keyword

nonn

Author

R. H. Hardin Jan 30 2012

Status

approved