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A155387
as a simple table
n
a(n)
6
1
7
4
8
13
9
28
10
131
11
616
12
2619
13
12958
14
65721
15
390933
16
2891029
17
23149838
[1,4,13,28,131,616,2619,12958,65721,390933, 2891029,23149838]
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Last modified April 25 06:14 EDT 2024. Contains 371964 sequences. (Running on oeis4.)