A205291 Number of (n+1)X7 0..2 arrays with permanents of 2X2 subblocks differing from horizontal and vertical neighbor permanents

511044, 37114078, 2227575108, 130143053648, 7855617242012, 476472937974314, 28874858370088174, 1750004077807269098, 106075907348674900422, 6430601140582823160710, 389845489774880114594386

Offset

1,1

Comments

Column 6 of A205293

Links

R. H. Hardin, Table of n, a(n) for n = 1..88

Example

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

Crossrefs

Sequence in context: A136352 A138207 A249881 * A205899 A068816 A233858

Adjacent sequences: A205288 A205289 A205290 * A205292 A205293 A205294

Keyword

nonn

Author

R. H. Hardin Jan 25 2012

Status

approved