A204757 Number of (n+1)X3 0..5 arrays with the permanents of all 2X2 subblocks equal and nonzero

3677, 38553, 132787, 1457775, 5791161, 57594105, 251988905, 2302211093, 10869045681, 92799984319, 465729837083, 3767749896601, 19865081357281, 153946658146847, 844718265941069, 6325322419263953, 35848619928498487

Offset

1,1

Comments

Column 2 of A204763

Links

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

Example

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

Crossrefs

Sequence in context: A250702 A307890 A103608 * A250875 A252311 A263814

Adjacent sequences: A204754 A204755 A204756 * A204758 A204759 A204760

Keyword

nonn

Author

R. H. Hardin Jan 18 2012

Status

approved