A205888 Number of (n+1)X3 0..2 arrays with 2X2 subblock determinants differing from horizontal neighbors and permanents differing from vertical neighbors

554, 6020, 61588, 611694, 6120848, 61390466, 614898304, 6157484270, 61672984268, 617734678850, 6187197246104, 61970028984608, 620687473298300, 6216773841601974, 62266772844126432, 623659379964465252

Offset

1,1

Comments

Column 2 of A205894

Links

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

Example

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

Crossrefs

Sequence in context: A171428 A045046 A276802 * A186529 A274901 A075808

Adjacent sequences: A205885 A205886 A205887 * A205889 A205890 A205891

Keyword

nonn

Author

R. H. Hardin Feb 01 2012

Status

approved