A077461
formatted as a simple table:
n
a(n)
1
2
2
14
3
82
4
478
5
2786
6
16238
7
94642
8
551614
9
3215042
10
18738638
11
109216786
[2,14,82,478,2786,16238,94642,551614,3215042, 18738638,109216786]
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Maintained by
N. J. A. Sloane
(
njas@research.att.com
)
Last modified December 20 16:54 EST 2009. Contains 171081 sequences.
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