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A188810 Number of nX2 array permutations with each element moved but remaining in its original row or its original column 0
1, 4, 20, 272, 6032, 205312, 9672448, 601903360, 47722897664, 4692633242624 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
COMMENTS
Column 2 of A188813
LINKS
EXAMPLE
Some solutions for 3X2
..2..5....4..5....4..3....1..0....4..5....2..5....2..0....4..3....1..0....1..0
..3..1....0..1....0..2....4..5....3..2....4..1....3..1....0..5....3..2....4..2
..0..4....2..3....5..1....2..3....0..1....0..3....5..4....2..1....5..4....5..3
CROSSREFS
Sequence in context: A352412 A222655 A000847 * A120443 A053400 A362259
KEYWORD
nonn
AUTHOR
R. H. Hardin Apr 11 2011
STATUS
approved

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Last modified June 23 22:09 EDT 2024. Contains 373661 sequences. (Running on oeis4.)