A093763
formatted as a simple table:
n
a(n)
1
1
2
1
3
12
4
6
5
180
6
10
7
560
8
1260
9
12600
10
1260
11
166320
12
13860
13
2522520
14
2702700
[1,1,12,6,180,10,560,1260,12600,1260,166320,13860, 2522520,2702700]
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Maintained by
N. J. A. Sloane
(
njas@research.att.com
)
Last modified November 30 13:13 EST 2009. Contains 167758 sequences.
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