A204287 Number of (n+2)X5 0..3 arrays with every 3X3 subblock having three equal elements in a row horizontally, vertically, diagonally or antidiagonally exactly two different ways, and new values 0..3 introduced in row major order

142107, 4225471, 155571239, 3531083953, 111738717361, 3916847292491, 105393290657242, 3195303171174342, 105356955358784440, 3047986677979779776, 91610025398154022910, 2908734525771447251327, 86873647069564520232398

Offset

1,1

Comments

Column 3 of A204289

Links

R. H. Hardin, Table of n, a(n) for n = 1..26

Example

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

Crossrefs

Sequence in context: A164527 A214479 A269321 * A256630 A263037 A086999

Adjacent sequences: A204284 A204285 A204286 * A204288 A204289 A204290

Keyword

nonn

Author

R. H. Hardin Jan 13 2012

Status

approved