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A146718
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
107
14
327
15
1681
16
5451
17
24597
18
80545
19
454313
20
2226033
21
18080203
22
106915629
[1,1,1,1,1,1,1,1,7,13,27,41,107,327,1681,5451, 24597,80545,454313,2226033,18080203,106915629]
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Last modified June 7 06:53 EDT 2024. Contains 373145 sequences. (Running on oeis4.)