A206620 Number of (n+1)X8 0..2 arrays with every 2X3 or 3X2 subblock having no more than two equal edges, and new values 0..2 introduced in row major order

1327931, 945314307, 907138039901, 837071761231340, 765786718381692875, 704228581922250103909

Offset

1,1

Comments

Column 7 of A206621

Links

Table of n, a(n) for n=1..6.

Example

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

Crossrefs

Sequence in context: A203868 A204969 A237107 * A214291 A023047 A206254

Adjacent sequences: A206617 A206618 A206619 * A206621 A206622 A206623

Keyword

nonn

Author

R. H. Hardin Feb 10 2012

Status

approved