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A206700 T(n,k)=Number of nXk 0..2 arrays avoiding the pattern z-2 z-1 z in any row or column 8
3, 9, 9, 26, 81, 26, 75, 676, 676, 75, 216, 5625, 15712, 5625, 216, 622, 46656, 363465, 363465, 46656, 622, 1791, 386884, 8366690, 23335217, 8366690, 386884, 1791, 5157, 3207681, 192513201, 1488199144, 1488199144, 192513201, 3207681, 5157, 14849 (list; table; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Table starts

....3........9...........26..............75.................216

....9.......81..........676............5625...............46656

...26......676........15712..........363465.............8366690

...75.....5625.......363465........23335217..........1488199144

..216....46656......8366690......1488199144........262482902920

..622...386884....192513201.....94853765621......46260684361347

.1791..3207681...4428597297...6043775871265....8149739471342829

.5157.26594649.101873060353.385074186960645.1435662206447144342

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..220

EXAMPLE

Some solutions for n=4 k=3

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

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

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

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

CROSSREFS

Column 1 is A076264

Sequence in context: A217999 A207550 A207317 * A162349 A223022 A072404

Adjacent sequences:  A206697 A206698 A206699 * A206701 A206702 A206703

KEYWORD

nonn,tabl

AUTHOR

R. H. Hardin Feb 11 2012

STATUS

approved

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Last modified December 7 18:19 EST 2021. Contains 349585 sequences. (Running on oeis4.)