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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 1
142107, 4225471, 155571239, 3531083953, 111738717361, 3916847292491, 105393290657242, 3195303171174342, 105356955358784440, 3047986677979779776, 91610025398154022910, 2908734525771447251327, 86873647069564520232398 (list; graph; refs; listen; history; text; internal format)
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

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Last modified January 27 11:44 EST 2021. Contains 340465 sequences. (Running on oeis4.)