A205284 Number of 5X(n+1) 0..3 arrays with 2X2 subblock determinants differing from horizontal neighbors and permanents differing from vertical neighbors

484930, 175224700, 65106769738, 23973193183186, 8815623014830318, 3244606848542957310, 1193843450285095672432, 439301798787484703151016, 161648322587488088961092694, 59481484187637405404114488284

Offset

1,1

Comments

Row 4 of A205281

Links

Table of n, a(n) for n=1..10.

Example

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

Crossrefs

Sequence in context: A237943 A048425 A205036 * A190387 A183695 A216070

Adjacent sequences: A205281 A205282 A205283 * A205285 A205286 A205287

Keyword

nonn

Author

R. H. Hardin Jan 24 2012

Status

approved