A002165
formatted as a simple table:
n
a(n)
1
0
2
18
3
108
4
180
5
-5040
6
162000
7
14565600
8
563253408
9
17544639744
10
750651187968
[0,18,108,180,-5040,162000,14565600,563253408, 17544639744,750651187968]
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Maintained by
N. J. A. Sloane
(
njas@research.att.com
)
Last modified November 27 14:34 EST 2009. Contains 167570 sequences.
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