A188811 Number of nX3 array permutations with each element moved but remaining in its original row or its original column

2, 20, 448, 25904, 2952608, 596917696, 194286402560

Offset

1,1

Comments

Column 3 of A188813

Links

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

Example

Some solutions for 3X3
..2..4..1....1..0..8....1..0..8....1..2..0....3..0..5....3..2..0....6..2..1
..0..5..3....5..3..4....4..5..2....4..3..8....6..1..4....6..1..8....4..5..3
..7..8..6....7..6..2....3..6..7....7..6..5....7..8..2....7..4..5....0..8..7

Crossrefs

Sequence in context: A009749 A012533 A009160 * A009252 A210901 A274572

Adjacent sequences: A188808 A188809 A188810 * A188812 A188813 A188814

Keyword

nonn

Author

R. H. Hardin Apr 11 2011

Status

approved