A204729 Number of (n+1)X6 0..4 arrays with the permanents of all 2X2 subblocks equal and nonzero

50920, 1425462, 14348560, 304649012, 3884003062, 72313926190, 1027778516124, 17963607952810, 269301324917098, 4566438295318268, 70343411623600362, 1175543945267804088, 18378002195401794726, 304952559330041218068

Offset

1,1

Comments

Column 5 of A204732

Links

R. H. Hardin, Table of n, a(n) for n = 1..105

Example

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

Crossrefs

Sequence in context: A282336 A043672 A185379 * A277344 A209846 A237222

Adjacent sequences: A204726 A204727 A204728 * A204730 A204731 A204732

Keyword

nonn

Author

R. H. Hardin Jan 18 2012

Status

approved