A058070
formatted as a simple table:
n
a(n)
1
2
2
3
3
4
4
13
5
168
6
177
7
1584
8
6396
9
83317
10
1000218
[2,3,4,13,168,177,1584,6396,83317,1000218]
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Maintained by
N. J. A. Sloane
(
njas@research.att.com
)
Last modified December 15 00:47 EST 2009. Contains 170825 sequences.
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