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A206900 T(n,k)=Number of nXk 0..3 arrays avoiding the pattern z-2 z-1 z in any row, column or nw-to-se diagonal 7
4, 16, 16, 62, 256, 62, 241, 3844, 3844, 241, 936, 58081, 211548, 58081, 936, 3636, 876096, 11745962, 11745962, 876096, 3636, 14124, 13220496, 649804846, 2408811358, 649804846, 13220496, 14124, 54865, 199487376, 35974254384 (list; table; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Table starts

.....4.........16..............62.................241......................936

....16........256............3844...............58081...................876096

....62.......3844..........211548............11745962................649804846

...241......58081........11745962..........2408811358.............491471001691

...936.....876096.......649804846........491471001691..........369048436354154

..3636...13220496.....35974254384.....100388008195387.......277547203982336971

.14124..199487376...1991325229362...20501676381643219....208677027839980986946

.54865.3010168225.110232229481279.4187168666551506836.156908217690570873253816

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..112

EXAMPLE

Some solutions for n=4 k=3

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

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

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

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

CROSSREFS

Column 1 is A206839

Column 2 is A206840

Sequence in context: A209092 A207134 A206838 * A207290 A223066 A339570

Adjacent sequences:  A206897 A206898 A206899 * A206901 A206902 A206903

KEYWORD

nonn,tabl

AUTHOR

R. H. Hardin Feb 13 2012

STATUS

approved

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Last modified May 16 16:43 EDT 2022. Contains 353707 sequences. (Running on oeis4.)