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A217191
as a simple table
n
a(n)
1
1
2
2
3
10
4
14
5
25
6
185
7
460
8
1357
9
13027
10
28264
11
73895
12
242950
13
1077514
14
1521516
15
7806974
[1,2,10,14,25,185,460,1357,13027,28264,73895, 242950,1077514,1521516,7806974]