A138495
formatted as a simple table:
n
a(n)
0
0
1
1
2
1
3
1
4
3
5
9
6
15
7
25
8
55
9
121
10
231
11
441
12
903
13
1829
14
3655
15
7225
16
14535
17
29241
18
58311
19
116281
20
232903
[0,1,1,1,3,9,15,25,55,121,231,441,903,1829,3655, 7225,14535,29241,58311,116281,232903]
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Maintained by
N. J. A. Sloane
(
njas@research.att.com
)
Last modified December 15 00:47 EST 2009. Contains 170825 sequences.
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