A092850
formatted as a simple table:
n
a(n)
1
2
2
12
3
81
4
598
5
4708
6
38622
7
327823
8
2847315
9
25163920
10
225457188
11
2042143752
12
18663517814
13
171846353051
[2,12,81,598,4708,38622,327823,2847315,25163920, 225457188,2042143752,18663517814,171846353051]
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Maintained by
N. J. A. Sloane
(
njas@research.att.com
)
Last modified December 1 13:27 EST 2009. Contains 167806 sequences.
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