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A207358 T(n,k)=Number of nXk 0..2 arrays avoiding the pattern z+1 z+1 z horizontally and z-1 z-1 z vertically 7
3, 9, 9, 25, 81, 25, 69, 625, 625, 69, 190, 4761, 12468, 4761, 190, 523, 36100, 244134, 244134, 36100, 523, 1440, 273529, 4752484, 12218660, 4752484, 273529, 1440, 3965, 2073600, 92438519, 607211313, 607211313, 92438519, 2073600, 3965, 10918 (list; table; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Table starts

....3........9..........25.............69................190

....9.......81.........625...........4761..............36100

...25......625.......12468.........244134............4752484

...69.....4761......244134.......12218660..........607211313

..190....36100.....4752484......607211313........76964941511

..523...273529....92438519....30147535858......9745296760510

.1440..2073600..1799496100..1498532240063...1235754047831188

.3965.15721225.35036066712.74502855991182.156741953997034318

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..127

EXAMPLE

Some solutions for n=4 k=3

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

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

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

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

CROSSREFS

Column 1 is A206727

Column 2 is A206728

Sequence in context: A226717 A207208 A206734 * A207201 A206863 A206957

Adjacent sequences:  A207355 A207356 A207357 * A207359 A207360 A207361

KEYWORD

nonn,tabl

AUTHOR

R. H. Hardin Feb 17 2012

STATUS

approved

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Last modified May 26 13:17 EDT 2022. Contains 354092 sequences. (Running on oeis4.)