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A294910
as a simple table
n
a(n)
1
2
2
3
3
9
4
23
5
27
6
32
7
50
8
80
9
107
10
140
11
992
12
1607
13
2975
14
4007
15
4605
16
12392
17
15159
18
16628
19
37419
[2,3,9,23,27,32,50,80,107,140,992,1607,2975,4007, 4605,12392,15159,16628,37419]