A205039 Number of (n+1)X2 0..6 arrays with the permanents of all 2X2 subblocks equal and nonzero

2232, 7648, 25108, 97256, 364646, 1451748, 5692570, 22899170, 91639862, 371544770, 1505695432, 6150562826, 25165213894, 103545082720, 427115124640, 1769624379940, 7352437690658, 30661284648496, 128223791398208

Offset

1,1

Comments

Column 1 of A205046

Links

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

Example

Some solutions for n=4
..0..5....6..0....0..1....2..5....4..4....1..1....3..5....1..6....3..6....4..3
..2..5....2..1....4..0....1..0....3..2....5..3....0..1....6..2....4..4....6..4
..0..5....2..2....1..1....1..5....1..6....1..1....3..1....4..5....6..3....1..5
..2..2....0..3....4..0....0..5....3..2....5..3....3..0....6..2....4..4....6..4
..0..5....2..4....4..1....1..2....4..4....1..1....3..1....4..5....3..6....4..3

Crossrefs

Sequence in context: A208181 A252644 A205046 * A205981 A205038 A279661

Adjacent sequences: A205036 A205037 A205038 * A205040 A205041 A205042

Keyword

nonn

Author

R. H. Hardin Jan 21 2012

Status

approved