A115599
formatted as a simple table:
n
a(n)
1
2
2
9
3
49
4
289
5
1682
6
9800
7
57122
8
332929
[2,9,49,289,1682,9800,57122,332929]
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Maintained by
N. J. A. Sloane
(
njas@research.att.com
)
Last modified November 29 12:46 EST 2009. Contains 167659 sequences.
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