A119495
formatted as a simple table:
n
a(n)
0
1
1
1
2
1
3
2
4
5
5
13
6
37
7
112
8
365
9
1253
10
4542
11
17149
12
67455
13
274134
14
1150125
[1,1,1,2,5,13,37,112,365,1253,4542,17149,67455, 274134,1150125]
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Maintained by
N. J. A. Sloane
(
njas@research.att.com
)
Last modified December 11 12:57 EST 2009. Contains 170656 sequences.
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