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A089300
as a simple table
n
a(n)
0
1
1
1
2
3
3
4
4
9
5
13
6
25
7
33
8
56
9
76
10
122
11
170
12
264
13
360
14
538
15
707
16
1002
17
1332
18
1853
19
2409
20
3294
[1,1,3,4,9,13,25,33,56,76,122,170,264,360,538,707, 1002,1332,1853,2409,3294]