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A174176
as a simple table
n
a(n)
1
2
2
5
3
14
4
42
5
72
6
74
7
354
8
1176
9
1274
10
4815
11
6885
12
28214
[2,5,14,42,72,74,354,1176,1274,4815,6885,28214]