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A099350
as a simple table
n
a(n)
1
0
2
1
3
2
4
3
5
5
6
6
7
10
8
11
9
51
10
63
11
197
12
313
13
579
14
1264
15
2276
16
2669
17
4316
18
4382
19
4678
20
7907
21
10843
[0,1,2,3,5,6,10,11,51,63,197,313,579,1264,2276, 2669,4316,4382,4678,7907,10843]