A210106 Number of (n+1) X 8 0..2 arrays with every 2 X 2 subblock having one or three distinct values, and new values 0..2 introduced in row major order.

58231, 5435250, 472285295, 41604910322, 3662188386511, 322655579663298, 28434309064956831, 2506262549390927474, 220926801220665130255, 19475675574198150161794, 1716913388047410911557919

Offset

1,1

Comments

Column 7 of A210107.

Links

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

Example

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

Crossrefs

Cf. A210107.

Sequence in context: A345820 A184372 A237402 * A227496 A295448 A220987

Adjacent sequences: A210103 A210104 A210105 * A210107 A210108 A210109

Keyword

nonn

Author

R. H. Hardin, Mar 17 2012

Status

approved