A186552 - OEIS

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A186552

1/8192 the number of (n+2)X8 0..3 arrays with each 3X3 subblock trace equal to some horizontal or vertical neighbor 3X3 subblock trace

0

111188198, 435599518160, 891778365437358, 2292090739550640497, 5583822993675095945553

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

COMMENTS

Column 6 of A186553

LINKS

Table of n, a(n) for n=1..5.

EXAMPLE

Some solutions for 4X8

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

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

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

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

CROSSREFS

Sequence in context: A202082 A262499 A068538 * A147581 A378059 A281448

Adjacent sequences: A186549 A186550 A186551 * A186553 A186554 A186555

KEYWORD

nonn

AUTHOR

R. H. Hardin Feb 23 2011

STATUS

approved