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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 1
87869, 3673007, 161927101, 5365887358, 199470888113, 7516738565045, 274248095468364, 10121490546012798, 374371466363609988, 13797306292659460828, 509068239825303085594, 18788577874435647057728 (list; graph; refs; listen; history; text; internal format)
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

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Last modified December 5 12:24 EST 2021. Contains 349557 sequences. (Running on oeis4.)