A205892 Number of (n+1)X7 0..2 arrays with 2X2 subblock determinants differing from horizontal neighbors and permanents differing from vertical neighbors

1448300, 176994692, 18812081142, 1810460166934, 179239228643910, 17941121077647948, 1779010729295626558

Offset

1,1

Comments

Column 6 of A205894

Links

Table of n, a(n) for n=1..7.

Example

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

Crossrefs

Sequence in context: A108841 A124490 A124491 * A186533 A224974 A254584

Adjacent sequences: A205889 A205890 A205891 * A205893 A205894 A205895

Keyword

nonn

Author

R. H. Hardin Feb 01 2012

Status

approved