A204762 Number of (n+1) X 8 0..5 arrays with the permanents of all 2 X 2 subblocks equal and nonzero.

1652217, 251988905, 4311738123, 456020452383, 11569671578677, 953004580935007, 30627642821922195

Offset

1,1

Comments

Column 7 of A204763.

Links

Table of n, a(n) for n=1..7.

Example

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

Crossrefs

Cf. A204763.

Sequence in context: A342429 A144127 A072922 * A333512 A061127 A183798

Adjacent sequences: A204759 A204760 A204761 * A204763 A204764 A204765

Keyword

nonn,more

Author

R. H. Hardin, Jan 18 2012

Status

approved