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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 1
225474, 7146451, 236324802, 7481378218, 247265390184, 8360347208200, 278759686904588, 9347436761778063, 315384047388866903, 10610563008333642700, 357097066563855429054, 12036249651975618922602 (list; graph; refs; listen; history; text; internal format)
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

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Last modified November 16 22:05 EST 2019. Contains 329208 sequences. (Running on oeis4.)