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A004203
as a simple table
n
a(n)
1
1
2
3
3
5
4
11
5
47
6
79
7
275
8
839
9
1877
10
3399
11
5371
12
6671
13
30659
14
43575
[1,3,5,11,47,79,275,839,1877,3399,5371,6671,30659, 43575]