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A205758 Number of 7X(n+1) 0..2 arrays with every 2X2 subblock having the same number of equal edges as its horizontal neighbors and a different number from its vertical neighbors, and new values 0..2 introduced in row major order 1
69338, 542718, 3797920, 34977686, 292986186, 2917623614, 26828234464, 279459906314, 2723713739666, 29190925331248, 295846244829092, 3230320670138002, 33638289242782070, 371863257488907590 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Row 6 of A205753

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..28

EXAMPLE

Some solutions for n=4

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

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

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

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

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

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

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

CROSSREFS

Sequence in context: A031663 A105010 A190379 * A205588 A162874 A162989

Adjacent sequences:  A205755 A205756 A205757 * A205759 A205760 A205761

KEYWORD

nonn

AUTHOR

R. H. Hardin Jan 30 2012

STATUS

approved

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Last modified May 31 09:30 EDT 2020. Contains 334748 sequences. (Running on oeis4.)