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A108653
as a simple table
n
a(n)
1
3
2
4
3
16
4
21
5
31
6
70
7
124
8
131
9
203
10
309
11
791
12
975
13
1015
14
4367
15
4451
16
8495
17
23523
[3,4,16,21,31,70,124,131,203,309,791,975,1015, 4367,4451,8495,23523]
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Last modified September 15 19:17 EDT 2024. Contains 375954 sequences. (Running on oeis4.)