A014276
formatted as a simple table:
n
a(n)
0
0
1
1
2
3
3
15
4
82
5
495
6
3144
7
20874
8
142766
9
1000083
10
7136463
11
51699614
12
379214625
[0,1,3,15,82,495,3144,20874,142766,1000083, 7136463,51699614,379214625]
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Maintained by
N. J. A. Sloane
(
njas@research.att.com
)
Last modified December 13 23:45 EST 2009. Contains 170824 sequences.
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