A067185
formatted as a simple table:
n
a(n)
1
7
2
17
3
109
4
281
5
1669
6
6592663
7
16899113
8
16899145
9
16899295
10
749973611
[7,17,109,281,1669,6592663,16899113,16899145, 16899295,749973611]
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Maintained by
N. J. A. Sloane
(
njas@research.att.com
)
Last modified November 30 13:13 EST 2009. Contains 167758 sequences.
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