A076321
formatted as a simple table:
n
a(n)
1
1
2
2
3
4
4
11
5
34
6
156
7
1044
8
12346
9
274668
[1,2,4,11,34,156,1044,12346,274668]
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Maintained by
N. J. A. Sloane
(
njas@research.att.com
)
Last modified December 16 17:18 EST 2009. Contains 170825 sequences.
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