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A207534 Number of nX7 0..3 arrays avoiding the patterns z z+1 z or z z-1 z in any row or column 0
10686, 114190596, 644774919410, 4082668526457918, 25448608922704616996 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 7 of A207535

LINKS

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

EXAMPLE

Some solutions for n=4

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

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

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

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

CROSSREFS

Sequence in context: A254237 A207282 A207478 * A238067 A184603 A247854

Adjacent sequences:  A207531 A207532 A207533 * A207535 A207536 A207537

KEYWORD

nonn

AUTHOR

R. H. Hardin Feb 18 2012

STATUS

approved

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Last modified November 19 22:34 EST 2019. Contains 329323 sequences. (Running on oeis4.)