A139142
formatted as a simple table:
n
a(n)
1
1
2
3
3
9
4
20
5
37
6
61
7
93
8
135
9
188
10
253
11
331
[1,3,9,20,37,61,93,135,188,253,331]
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Maintained by
N. J. A. Sloane
(
njas@research.att.com
)
Last modified December 11 12:57 EST 2009. Contains 170656 sequences.
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