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A205410 Number of (n+2)X5 0..2 arrays with every 3X3 subblock having three equal elements in a row horizontally, vertically or nw-to-se diagonally exactly two ways, and new values 0..2 introduced in row major order 1
33322, 549414, 10331386, 151598017, 2553087985, 45661264026, 735422130329, 12286397087182, 212128668698876, 3518160933737460, 58829708185415817, 999828369246325845, 16744112843227770105, 280613932821800402695 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 3 of A205415

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..1..1..0..1....0..0..1..2..2....0..0..1..0..1

..0..1..2..1..1....1..1..1..1..1....1..2..1..0..1....1..0..1..1..2

..1..1..1..1..1....2..2..1..0..0....1..1..1..1..1....0..0..1..2..1

..1..1..2..2..1....0..0..0..0..0....1..2..2..2..2....1..1..1..1..1

..1..2..2..2..1....1..1..1..0..1....0..0..0..1..2....2..2..2..2..2

CROSSREFS

Sequence in context: A203619 A170798 A043628 * A337953 A210720 A233751

Adjacent sequences:  A205407 A205408 A205409 * A205411 A205412 A205413

KEYWORD

nonn

AUTHOR

R. H. Hardin Jan 26 2012

STATUS

approved

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Last modified January 29 05:09 EST 2022. Contains 350672 sequences. (Running on oeis4.)