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A128458
as a simple table
n
a(n)
1
1
2
2
3
3
4
7
5
12
6
17
7
19
8
51
9
65
10
550
11
1460
12
1641
13
7035
14
18002
15
20963
16
21163
17
42563
18
94906
19
148048
[1,2,3,7,12,17,19,51,65,550,1460,1641,7035,18002, 20963,21163,42563,94906,148048]
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Last modified September 16 20:53 EDT 2024. Contains 375977 sequences. (Running on oeis4.)