A205281 T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with 2X2 subblock determinants differing from horizontal neighbors and permanents differing from vertical neighbors

256, 3516, 3184, 49342, 131918, 39419, 687900, 5557912, 4826836, 484930, 9599032, 233119498, 605359630, 175224700, 5968388, 133932498, 9769758666, 75356390650, 65106769738, 6371258488, 73466056, 1868731400, 409681200668, 9373958322702

Offset

1,1

Comments

Table starts

.........256..........3516...........49342...........687900..........9599032

........3184........131918.........5557912........233119498.......9769758666

.......39419.......4826836.......605359630......75356390650....9373958322702

......484930.....175224700.....65106769738...23973193183186.8815623014830318

.....5968388....6371258488...7022771757046.7657621275762398

....73466056..231711454340.757797042154570

...904294268.8425775395122

.11130780320

Links

R. H. Hardin, Table of n, a(n) for n = 1..37

Example

Some solutions for n=4 k=3
..1..2..0..1....2..1..2..1....2..0..0..1....3..2..0..1....0..1..2..2
..0..2..2..3....1..3..2..0....3..1..1..0....2..0..3..3....0..3..2..3
..0..3..0..2....3..3..1..2....2..1..3..3....1..3..0..3....1..0..2..1
..3..2..1..2....3..2..1..1....1..3..0..2....0..1..1..0....2..2..3..1
..0..2..3..2....2..1..1..0....0..1..1..2....3..3..3..2....0..0..3..0

Crossrefs

Column 1 is A205033

Row 1 is A185919

Sequence in context: A185933 A185572 A185925 * A185923 A185919 A259320

Adjacent sequences: A205278 A205279 A205280 * A205282 A205283 A205284

Keyword

nonn,tabl

Author

R. H. Hardin Jan 24 2012

Status

approved