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A147211
as a simple table
n
a(n)
1
1
2
1
3
1
4
1
5
1
6
1
7
1
8
1
9
17
10
17
11
57
12
57
13
405
14
405
15
4805
16
4805
17
131407
18
131407
19
3796773
20
3796773
21
159419173
22
159419173
[1,1,1,1,1,1,1,1,17,17,57,57,405,405,4805,4805, 131407,131407,3796773,3796773,159419173,159419173]
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Last modified April 19 21:09 EDT 2024. Contains 371798 sequences. (Running on oeis4.)
