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A076683
as a simple table
n
a(n)
1
3
2
7
3
8
4
15
5
19
6
29
7
36
8
43
9
51
10
158
11
160
12
203
13
432
14
909
15
1235
16
3209
17
8715
18
9707
[3,7,8,15,19,29,36,43,51,158,160,203,432,909,1235, 3209,8715,9707]