A089142
formatted as a simple table:
n
a(n)
1
1
2
2
3
3
4
4
5
13
6
88
7
177
8
184
9
297
10
304
11
310
12
562
13
892
14
1300
15
4047
[1,2,3,4,13,88,177,184,297,304,310,562,892,1300, 4047]
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Maintained by
N. J. A. Sloane
(
njas@research.att.com
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Last modified December 10 00:48 EST 2009. Contains 170565 sequences.
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