A001201
formatted as a simple table:
n
a(n)
0
1
1
1
2
30
3
840
4
1197504000
5
60281712691200
6
1348410350618155344199680000
[1,1,30,840,1197504000,60281712691200, 1348410350618155344199680000]
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Maintained by
N. J. A. Sloane
(
njas@research.att.com
)
Last modified December 9 18:50 EST 2009. Contains 170568 sequences.
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