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A230336 Number of nX7 0..2 arrays x(i,j) with each element horizontally, vertically or antidiagonally next to at least one element with value (x(i,j)+1) mod 3, and upper left element zero 1
0, 56010, 46237080, 47762574418, 49266883333526, 50711260887195062, 52211092034409972862, 53754780288394583334632, 55344031582184062528770162, 56980280720646281897172731146, 58664905061647640259968339176114 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Column 7 of A230337

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..75

EXAMPLE

Some solutions for n=3

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

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

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

CROSSREFS

Sequence in context: A254815 A229436 A022224 * A252320 A252020 A031655

Adjacent sequences: A230333 A230334 A230335 * A230337 A230338 A230339

KEYWORD

nonn

AUTHOR

R. H. Hardin, Oct 16 2013

STATUS

approved

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Last modified November 28 02:09 EST 2022. Contains 358406 sequences. (Running on oeis4.)