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A206863 T(n,k)=Number of nXk 0..2 arrays avoiding the pattern z z+1 z in any row, column, diagonal or antidiagonal 8
3, 9, 9, 25, 81, 25, 69, 625, 625, 69, 191, 4761, 11092, 4761, 191, 529, 36481, 192575, 192575, 36481, 529, 1465, 279841, 3425501, 7598355, 3425501, 279841, 1465, 4057, 2146225, 61164640, 314918295, 314918295, 61164640, 2146225, 4057, 11235 (list; table; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Table starts

....3........9..........25.............69...............191

....9.......81.........625...........4761.............36481

...25......625.......11092.........192575...........3425501

...69.....4761......192575........7598355.........314918295

..191....36481.....3425501......314918295.......31208037240

..529...279841....61164640....13093461017.....3092914364659

.1465..2146225..1090023439...541018725304...303316860005399

.4057.16459249.19411973287.22336434688428.29725367062521082

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..111

EXAMPLE

Some solutions for n=4 k=3

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

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

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

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

CROSSREFS

Column 1 is A098182(n+1)

Sequence in context: A206734 A207358 A207201 * A206957 A207989 A207221

Adjacent sequences:  A206860 A206861 A206862 * A206864 A206865 A206866

KEYWORD

nonn,tabl

AUTHOR

R. H. Hardin Feb 13 2012

STATUS

approved

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Last modified June 25 08:25 EDT 2022. Contains 354835 sequences. (Running on oeis4.)