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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: A035025 A074652 A367706 * 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 May 14 04:33 EDT 2024. Contains 372528 sequences. (Running on oeis4.)