A003442
formatted as a simple table:
n
a(n)
4
1
5
2
6
11
7
48
8
208
9
858
10
3507
11
14144
12
56698
13
226100
14
898942
15
3565920
16
14124496
[1,2,11,48,208,858,3507,14144,56698,226100,898942, 3565920,14124496]
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Maintained by
N. J. A. Sloane
(
njas@research.att.com
)
Last modified December 20 13:54 EST 2009. Contains 171081 sequences.
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