A204760 Number of (n+1)X6 0..5 arrays with the permanents of all 2X2 subblocks equal and nonzero

131613, 5791161, 60849871, 1905174177, 27008204541, 700833744055, 11569671578677, 271404487523701, 4861615217680091, 108057248974042699, 2023505634340357065, 43696744024407771807, 838817243881692198989

Offset

1,1

Comments

Column 5 of A204763

Links

R. H. Hardin, Table of n, a(n) for n = 1..53

Example

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

Crossrefs

Sequence in context: A203892 A208488 A170800 * A178287 A234159 A345395

Adjacent sequences: A204757 A204758 A204759 * A204761 A204762 A204763

Keyword

nonn

Author

R. H. Hardin Jan 18 2012

Status

approved