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A146646
as a simple table
n
a(n)
1
1
2
1
3
1
4
1
5
1
6
1
7
1
8
1
9
7
10
13
11
27
12
41
13
115
14
303
15
1555
16
4709
17
23865
18
76741
19
449473
20
1923409
21
15857735
22
84725491
[1,1,1,1,1,1,1,1,7,13,27,41,115,303,1555,4709, 23865,76741,449473,1923409,15857735,84725491]
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Last modified March 28 18:04 EDT 2024. Contains 371254 sequences. (Running on oeis4.)