A001543
formatted as a simple table:
n
a(n)
0
1
1
6
2
11
3
71
4
4691
5
21982031
6
483209576974811
7
233491495280173380882643611671
[1,6,11,71,4691,21982031,483209576974811, 233491495280173380882643611671]
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Maintained by
N. J. A. Sloane
(
njas@research.att.com
)
Last modified December 7 08:40 EST 2009. Contains 170430 sequences.
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