A030520
formatted as a simple table:
n
a(n)
2
1
3
5
4
20
5
82
6
335
7
1402
[1,5,20,82,335,1402]
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Maintained by
N. J. A. Sloane
(
njas@research.att.com
)
Last modified December 2 11:54 EST 2009. Contains 167921 sequences.
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