A002789
formatted as a simple table:
n
a(n)
1
2
2
4
3
7
4
11
5
16
6
21
7
28
8
35
[2,4,7,11,16,21,28,35]
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Maintained by
N. J. A. Sloane
(
njas@research.att.com
)
Last modified December 17 23:40 EST 2009. Contains 171025 sequences.
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