A204508 Number of (n+2)X5 0..2 arrays with every 3X3 subblock having three equal elements in a row horizontally, vertically, diagonally or antidiagonally at least two different ways, and new values 0..2 introduced in row major order

87869, 3673007, 161927101, 5365887358, 199470888113, 7516738565045, 274248095468364, 10121490546012798, 374371466363609988, 13797306292659460828, 509068239825303085594, 18788577874435647057728

Offset

1,1

Comments

Column 3 of A204511

Links

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

Example

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

Crossrefs

Sequence in context: A236788 A183658 A234442 * A180106 A190382 A068536

Adjacent sequences: A204505 A204506 A204507 * A204509 A204510 A204511

Keyword

nonn

Author

R. H. Hardin Jan 15 2012

Status

approved