A188812 Number of nX4 array permutations with each element moved but remaining in its original row or its original column

9, 272, 25904, 7114752, 4566151168

Offset

1,1

Comments

Column 4 of A188813

Links

Table of n, a(n) for n=1..5.

Example

Some solutions for 3X4
..2..9..0.11....3..0.10..1....1..0..3..2....2..5..0.11....8..5..3..1
..5..4..7..6....5..7..2..6....7..6..5..4....8..7..4..3....0..6..7..4
.10..1..8..3....4.11..8..9...11.10..9..8...10..1..6..9...10.11..2..9

Crossrefs

Sequence in context: A220866 A197597 A197981 * A197768 A119408 A295898

Adjacent sequences: A188809 A188810 A188811 * A188813 A188814 A188815

Keyword

nonn

Author

R. H. Hardin Apr 11 2011

Status

approved