A205280 Number of (n+1)X5 0..3 arrays with 2X2 subblock determinants differing from horizontal neighbors and permanents differing from vertical neighbors.

687900, 233119498, 75356390650, 23973193183186, 7657621275762398, 2447251756241315390, 781739925863274531798, 249710555606742254384236, 79769182279819645140717282, 25481988765995464149652889092

Offset

1,1

Comments

Column 4 of A205281

Links

R. H. Hardin, Table of n, a(n) for n = 1..48

Example

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

Crossrefs

Sequence in context: A323805 A185865 A238144 * A185922 A353345 A204788

Adjacent sequences: A205277 A205278 A205279 * A205281 A205282 A205283

Keyword

nonn

Author

R. H. Hardin, Jan 24 2012

Status

approved