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A204524 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 one way, and new values 0..3 introduced in row major order 0
2838990, 410928067, 69278097544, 8625334175897, 1283785888702600, 203225034743837454 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 3 of A204525

LINKS

Table of n, a(n) for n=1..6.

EXAMPLE

Some solutions for n=3

..0..0..0..0..0....0..0..0..0..0....0..0..0..0..0....0..0..1..1..1

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

..1..2..2..1..1....1..1..2..2..1....2..1..3..1..2....1..1..2..0..2

..0..0..0..0..0....2..1..1..1..1....1..3..1..1..2....3..2..2..2..2

..1..3..3..0..2....2..2..2..3..0....0..0..0..0..0....2..1..3..3..0

CROSSREFS

Sequence in context: A258563 A204413 A204789 * A321669 A237944 A101768

Adjacent sequences:  A204521 A204522 A204523 * A204525 A204526 A204527

KEYWORD

nonn

AUTHOR

R. H. Hardin Jan 15 2012

STATUS

approved

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Last modified December 2 11:32 EST 2021. Contains 349440 sequences. (Running on oeis4.)