A204759 Number of (n+1)X5 0..5 arrays with the permanents of all 2X2 subblocks equal and nonzero

38789, 1457775, 8155815, 306477369, 1905174177, 68057441183, 456020452383, 15334587311409, 109796596042647, 3474515179617105, 26427298563815569, 789647131549632645, 6348422726242740977, 179867824046102053043

Offset

1,1

Comments

Column 4 of A204763

Links

R. H. Hardin, Table of n, a(n) for n = 1..119

Example

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

Crossrefs

Sequence in context: A180462 A185851 A154062 * A206597 A088237 A031644

Adjacent sequences: A204756 A204757 A204758 * A204760 A204761 A204762

Keyword

nonn

Author

R. H. Hardin Jan 18 2012

Status

approved