A205285 Number of (n+1)X(n+1) 0..2 arrays with permanents of 2X2 subblocks differing from horizontal and vertical neighbor permanents

81, 4836, 695725, 234138348, 207765391957, 476472937974314

Offset

1,1

Comments

Diagonal of A205293

Links

Table of n, a(n) for n=1..6.

Example

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

Crossrefs

Sequence in context: A204222 A264193 A232952 * A222166 A219728 A187454

Adjacent sequences: A205282 A205283 A205284 * A205286 A205287 A205288

Keyword

nonn

Author

R. H. Hardin Jan 25 2012

Status

approved