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A002634 From discordant permutations.
(Formerly M0397 N0153)
0
-2, 3, 0, 25, 152, 1350, 12644, 131391, 1489568, 18329481, 243365514, 3468969962, 52848096274, 857073295427, 14744289690560, 268202790690465 (list; graph; refs; listen; history; internal format)
OFFSET

3,1

REFERENCES

N. J. A. Sloane, A Handbook of Integer Sequences, Academic Press, 1973 (includes this sequence).

N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).

K. Yamamoto, Structure polynomial of Latin rectangles and its application to a combinatorial problem, Memoirs of the Faculty of Science, Kyusyu University, Series A, 10 (1956), 1-13.

CROSSREFS

Sequence in context: A096542 A009206 A088874 * A070078 A054438 A174947

Adjacent sequences:  A002631 A002632 A002633 * A002635 A002636 A002637

KEYWORD

sign

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com).

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Last modified February 14 18:47 EST 2012. Contains 205663 sequences.