A204312 Number of (n+2)X5 0..2 arrays with every 3X3 subblock having three equal elements in a row horizontally, vertically, diagonally or antidiagonally, and new values 0..2 introduced in row major order

781827, 90762504, 10954912375, 1225171069740, 140246793660900, 16117050150812392, 1843072554131381153, 211032577163279491388, 24171413788916131672478, 2767703194135739804861075

Offset

1,1

Comments

Column 3 of A204314

Links

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

Example

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

Crossrefs

Sequence in context: A257757 A250690 A233948 * A237089 A206633 A184213

Adjacent sequences: A204309 A204310 A204311 * A204313 A204314 A204315

Keyword

nonn

Author

R. H. Hardin Jan 14 2012

Status

approved