A155423
formatted as a simple table:
n
a(n)
7
1
8
7
9
19
10
52
11
172
12
643
13
2936
14
14954
15
84090
16
537490
17
4238593
18
38671134
[1,7,19,52,172,643,2936,14954,84090,537490, 4238593,38671134]
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Maintained by
N. J. A. Sloane
(
njas@research.att.com
)
Last modified November 27 22:38 EST 2009. Contains 167602 sequences.
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