A061912
formatted as a simple table:
n
a(n)
0
0
1
1
2
2
3
3
4
13
5
67
6
264
7
1667
8
16667
9
94863
10
1643167
11
29983327
12
706399164
[0,1,2,3,13,67,264,1667,16667,94863,1643167, 29983327,706399164]
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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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