A205040 Number of (n+1)X3 0..6 arrays with the permanents of all 2X2 subblocks equal and nonzero

7648, 100308, 366378, 5111024, 21682734, 271619224, 1279810940, 14597930612, 74840858802, 791226597424, 4346485274012, 43211363910100, 251242668738048, 2376185428641580, 14477914331199874, 131483891350527520

Offset

1,1

Comments

Column 2 of A205046

Links

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

Example

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

Crossrefs

Sequence in context: A252968 A252051 A038011 * A252406 A145307 A232254

Adjacent sequences: A205037 A205038 A205039 * A205041 A205042 A205043

Keyword

nonn

Author

R. H. Hardin Jan 21 2012

Status

approved