A206759 Number of (n+1)X7 0..2 arrays with every 2X3 or 3X2 subblock having no more than three equal edges, and new values 0..2 introduced in row major order

463064, 457325164, 487641463195, 516680726881281, 546822154520262723, 578960195790179305672, 612965374305549492727567, 648963710428833478397389783

Offset

1,1

Comments

Column 6 of A206761

Links

Table of n, a(n) for n=1..8.

Example

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

Crossrefs

Sequence in context: A216068 A237964 A251980 * A257951 A213461 A051594

Adjacent sequences: A206756 A206757 A206758 * A206760 A206761 A206762

Keyword

nonn

Author

R. H. Hardin Feb 12 2012

Status

approved