A209896 Number of (n+1)X8 0..2 arrays with every 2X2 subblock having two distinct values, and new values 0..2 introduced in row major order

89152, 10671616, 1397061008, 192567994720, 27070584920080, 3846901518589376, 549425473875967488, 78680656335543260304, 11282440421020849852160, 1618971003408364113622592, 232395514484599175932151376

Offset

1,1

Comments

Column 7 of A209897

Links

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

Example

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

Crossrefs

Sequence in context: A205835 A237902 A184028 * A255390 A347076 A205290

Adjacent sequences: A209893 A209894 A209895 * A209897 A209898 A209899

Keyword

nonn

Author

R. H. Hardin Mar 14 2012

Status

approved