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A207535 T(n,k)=Number of nXk 0..3 arrays avoiding the patterns z z+1 z or z z-1 z in any row or column 7
4, 16, 16, 58, 256, 58, 214, 3364, 3364, 214, 788, 45796, 147006, 45796, 788, 2902, 620944, 6758694, 6758694, 620944, 2902, 10686, 8421604, 308746116, 1066263778, 308746116, 8421604, 10686, 39350, 114190596, 14111752738, 166743944836 (list; table; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Table starts

.....4.........16.............58................214..................788

....16........256...........3364..............45796...............620944

....58.......3364.........147006............6758694............308746116

...214......45796........6758694.........1066263778.........166743944836

...788.....620944......308746116.......166743944836.......89061782573052

..2902....8421604....14111752738.....26097329476130....47621224240269788

.10686..114190596...644774919410...4082668526457918.25448608922704616996

.39350.1548422500.29462512318554.638759164201438766

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..71

EXAMPLE

Some solutions for n=4 k=3

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

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

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

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

CROSSREFS

Column 1 is A207276

Column 2 is A207277

Sequence in context: A220109 A207283 A207479 * A206974 A206577 A207582

Adjacent sequences:  A207532 A207533 A207534 * A207536 A207537 A207538

KEYWORD

nonn,tabl

AUTHOR

R. H. Hardin Feb 18 2012

STATUS

approved

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Last modified September 20 21:40 EDT 2014. Contains 247020 sequences.