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A232058 Number of n X n 0..2 arrays with every 0 next to a 1 and every 1 next to a 2 horizontally or vertically, with no adjacent values equal 0
1, 6, 46, 534, 13538, 612364, 59448262, 10508498862, 4011743077182, 2813378775175894, 4273709472166465256, 11960135034686739832398 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Diagonal of A232065

LINKS

Table of n, a(n) for n=1..12.

EXAMPLE

Some solutions for n=5

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

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

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

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

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

CROSSREFS

Sequence in context: A006386 A326324 A215084 * A331704 A275031 A094655

Adjacent sequences:  A232055 A232056 A232057 * A232059 A232060 A232061

KEYWORD

nonn

AUTHOR

R. H. Hardin, Nov 17 2013

STATUS

approved

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Last modified June 12 13:18 EDT 2021. Contains 344947 sequences. (Running on oeis4.)