A210011 Number of (n+1) X 8 0..2 arrays containing all values 0..2 with every 2 X 2 subblock having two or three distinct values, and new values 0..2 introduced in row major order.

5586791, 29157605895, 151644743405597, 788692753629890373, 4101906886832685812439, 21333585909890026502784395, 110953732239747666903878744871, 577058670122476621142964913276337

Offset

1,1

Comments

Column 7 of A210012.

Links

R. H. Hardin, Table of n, a(n) for n = 1..210

Example

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

Crossrefs

Cf. A210012.

Sequence in context: A061164 A250572 A143686 * A069316 A022210 A057882

Adjacent sequences: A210008 A210009 A210010 * A210012 A210013 A210014

Keyword

nonn

Author

R. H. Hardin, Mar 16 2012

Status

approved