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A169929
as a simple table
n
a(n)
1
3
2
8
3
14
4
28
5
52
6
78
7
96
8
133
9
190
10
248
11
287
12
336
13
484
14
603
15
782
16
1081
17
1680
18
3479
[3,8,14,28,52,78,96,133,190,248,287,336,484,603, 782,1081,1680,3479]