A052454
formatted as a simple table:
n
a(n)
1
1
2
3
3
13
4
25
5
111
6
493
7
949
8
4215
9
18721
10
36037
11
160059
12
710905
13
1368457
14
6078027
15
26995669
[1,3,13,25,111,493,949,4215,18721,36037,160059, 710905,1368457,6078027,26995669]
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Maintained by
N. J. A. Sloane
(
njas@research.att.com
)
Last modified December 4 15:11 EST 2009. Contains 170347 sequences.
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