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A188807 Number of nX4 array permutations with each element remaining in its original row or its original column 0
24, 1313, 194568, 72104097, 57951767544 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 4 of A188808

LINKS

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

EXAMPLE

Some solutions for 3X4

..1..9..6..0....1..9..3..0....0..1..2.11....3..9..6..2....0..1..3..7

..8..4..7..3....6..4.10..5....7..5..4..3....0..5..4..7....5..6..2..4

.10..5..2.11...11..8..2..7...10..9..6..8...10..1.11..8....9..8.10.11

CROSSREFS

Sequence in context: A069991 A035025 A074652 * A187029 A186967 A068294

Adjacent sequences:  A188804 A188805 A188806 * A188808 A188809 A188810

KEYWORD

nonn

AUTHOR

R. H. Hardin Apr 11 2011

STATUS

approved

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Last modified September 24 13:38 EDT 2022. Contains 356932 sequences. (Running on oeis4.)