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A198450 Number of 2nX8 0..2 arrays with values 0..2 introduced in row major order and each element unequal to exactly two horizontal and vertical neighbors 1
433, 14109, 421185, 13048509, 396482929, 12354617337, 388054368497, 12268223577717, 389802133342121, 12442366745406193, 398756914767870161, 12824613775169911957, 413731612612141327185, 13383113394670397174673 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 4 of A198452

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..18

EXAMPLE

Some solutions for n=3

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

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

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

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

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

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

CROSSREFS

Sequence in context: A059665 A059664 A289857 * A241925 A108832 A055009

Adjacent sequences:  A198447 A198448 A198449 * A198451 A198452 A198453

KEYWORD

nonn

AUTHOR

R. H. Hardin Oct 25 2011

STATUS

approved

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Last modified May 24 11:04 EDT 2022. Contains 354033 sequences. (Running on oeis4.)