A002405
formatted as a simple table:
n
a(n)
0
1
1
1
2
1
3
3
4
38
5
135
6
4315
7
48125
8
950684
9
7217406
10
682590930
[1,1,1,3,38,135,4315,48125,950684,7217406, 682590930]
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Maintained by
N. J. A. Sloane
(
njas@research.att.com
)
Last modified December 16 17:18 EST 2009. Contains 170825 sequences.
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