A205278 Number of (n+1)X3 0..3 arrays with 2X2 subblock determinants differing from horizontal neighbors and permanents differing from vertical neighbors

3516, 131918, 4826836, 175224700, 6371258488, 231711454340, 8425775395122, 306384370200864, 11141104820943604, 405126512891705954, 14731690639194895486, 535691041037070854438, 19479429753357496535636

Offset

1,1

Comments

Column 2 of A205281

Links

R. H. Hardin, Table of n, a(n) for n = 1..210

Example

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

Crossrefs

Sequence in context: A306174 A205071 A263302 * A185920 A264450 A187726

Adjacent sequences: A205275 A205276 A205277 * A205279 A205280 A205281

Keyword

nonn

Author

R. H. Hardin Jan 24 2012

Status

approved