A205041 Number of (n+1)X4 0..6 arrays with the permanents of all 2X2 subblocks equal and nonzero

25108, 366378, 2587806, 30072178, 256406852, 2700120030, 24602390018, 249559797434, 2340396036268, 23389408831586, 222527499358064, 2210472308774864, 21208217602779222, 210157217608774748

Offset

1,1

Comments

Column 3 of A205046

Links

R. H. Hardin, Table of n, a(n) for n = 1..183

Example

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

Crossrefs

Sequence in context: A125268 A212726 A258542 * A252614 A253530 A190319

Adjacent sequences: A205038 A205039 A205040 * A205042 A205043 A205044

Keyword

nonn

Author

R. H. Hardin Jan 21 2012

Status

approved