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A147138
as a simple table
n
a(n)
1
1
2
1
3
1
4
1
5
9
6
17
7
47
8
169
9
947
10
4301
11
28001
12
189379
13
2123749
14
21459731
15
367346875
16
5385601539
[1,1,1,1,9,17,47,169,947,4301,28001,189379, 2123749,21459731,367346875,5385601539]
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Last modified April 19 11:14 EDT 2024. Contains 371791 sequences. (Running on oeis4.)