A206700 T(n,k)=Number of nXk 0..2 arrays avoiding the pattern z-2 z-1 z in any row or column.

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

Offset: 1

Author

R. H. Hardin Feb 11 2012

Keywords

• nonn
• tabl

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

Examples

			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
		

Links

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

Crossrefs

Column 1 is A076264