A210050 Number of (n+1)X7 0..2 arrays containing all values 0..2 with every 2X2 subblock having two distinct values, and new values 0..2 introduced in row major order

14443, 1020363, 78792305, 6356262535, 518401340537, 42412428208163, 3466529466974219, 282766248564198397, 23013137181473996275, 1868986625137379906677, 151505136803711170945819

Offset

1,1

Comments

Column 6 of A210052

Links

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

Example

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

Crossrefs

Sequence in context: A234977 A250960 A238060 * A203815 A076165 A376415

Adjacent sequences: A210047 A210048 A210049 * A210051 A210052 A210053

Keyword

nonn

Author

R. H. Hardin Mar 16 2012

Status

approved