A204743 Number of (n+2)X5 0..2 arrays with every 3X3 subblock having three equal elements in a row horizontally, vertically, diagonally or antidiagonally exactly one way, and new values 0..2 introduced in row major order

225474, 7146451, 236324802, 7481378218, 247265390184, 8360347208200, 278759686904588, 9347436761778063, 315384047388866903, 10610563008333642700, 357097066563855429054, 12036249651975618922602

Offset

1,1

Comments

Column 3 of A204745

Links

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

Example

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

Crossrefs

Sequence in context: A269924 A288271 A215402 * A048427 A203922 A237032

Adjacent sequences: A204740 A204741 A204742 * A204744 A204745 A204746

Keyword

nonn

Author

R. H. Hardin Jan 18 2012

Status

approved