A110680
formatted as a simple table:
n
a(n)
1
9
2
21
3
43
4
49
5
61
6
63
7
69
8
73
9
87
10
109
[9,21,43,49,61,63,69,73,87,109]
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N. J. A. Sloane
(
njas@research.att.com
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Last modified December 6 13:45 EST 2009. Contains 170429 sequences.
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