A210060 Number of (n+1)X8 0..3 arrays with every 2X2 subblock having one, two or four distinct values, and new values 0..3 introduced in row major order

819243, 393310267, 195167694929, 99225470062505, 50984849090449545, 26336924516842226001, 13640392041491409426441, 7073900050144067196707425, 3670940505287757540439853115, 1905636401536853756302823570271

Offset

1,1

Comments

Column 7 of A210061

Links

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

Example

Some solutions for n=4
..0..1..1..0..0..0..2..0....0..0..0..0..0..1..0..0....0..0..1..2..0..3..3..0
..0..0..1..1..0..1..3..1....0..2..2..2..0..0..0..3....1..0..1..2..2..1..1..2
..1..0..0..0..0..1..1..1....0..2..1..1..3..3..3..3....1..0..0..3..2..1..0..3
..3..2..0..1..0..0..0..0....3..1..2..2..0..3..3..1....3..2..0..0..1..1..1..2
..3..2..2..3..2..2..0..0....0..2..1..1..3..3..1..3....2..3..1..0..0..0..1..1

Crossrefs

Sequence in context: A344240 A238522 A372300 * A237790 A247058 A057069

Adjacent sequences: A210057 A210058 A210059 * A210061 A210062 A210063

Keyword

nonn

Author

R. H. Hardin Mar 16 2012

Status

approved