A020574
formatted as a simple table:
n
a(n)
1
3
2
7
3
11
4
13
5
17
6
23
[3,7,11,13,17,23]
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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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