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A220798 Agreement numbers: number of nX3 arrays of the count of horizontal and vertical neighbors equal to the corresponding element in a random 0..2 nX3 array 0
4, 66, 1165, 20578, 363260, 6413473, 113229500, 1999059559, 35293275842 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 3 of A220800

LINKS

Table of n, a(n) for n=1..9.

EXAMPLE

Some solutions for n=3

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

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

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

CROSSREFS

Sequence in context: A241705 A015475 A197947 * A220784 A025585 A302657

Adjacent sequences:  A220795 A220796 A220797 * A220799 A220800 A220801

KEYWORD

nonn

AUTHOR

R. H. Hardin Dec 21 2012

STATUS

approved

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Last modified June 4 04:39 EDT 2020. Contains 334815 sequences. (Running on oeis4.)