A204758 Number of (n+1)X4 0..5 arrays with the permanents of all 2X2 subblocks equal and nonzero

11081, 132787, 833401, 8155815, 60849871, 544806119, 4311738123, 37343294941, 302917445559, 2589607938419, 21257407100609, 180764516902393, 1494000007890351, 12675972474619101, 105252594049150109

Offset

1,1

Comments

Column 3 of A204763

Links

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

Example

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

Crossrefs

Sequence in context: A233789 A236151 A032427 * A211686 A224463 A300562

Adjacent sequences: A204755 A204756 A204757 * A204759 A204760 A204761

Keyword

nonn

Author

R. H. Hardin Jan 18 2012

Status

approved