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A102992
as a simple table
n
a(n)
1
1
2
2
3
4
4
5
5
13
6
22
7
25
8
28
9
38
10
67
11
142
12
284
13
295
14
380
15
397
16
1217
17
1640
18
2885
19
3286
20
7735
21
29306
[1,2,4,5,13,22,25,28,38,67,142,284,295,380,397, 1217,1640,2885,3286,7735,29306]