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A153691
as a simple table
n
a(n)
1
1
2
1
3
1
4
1
5
2
6
4
7
19
8
21
9
28
10
151
11
200
12
709
13
767
14
5727
15
15908
16
162819
17
302991
[1,1,1,1,2,4,19,21,28,151,200,709,767,5727,15908, 162819,302991]
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Last modified April 19 21:09 EDT 2024. Contains 371798 sequences. (Running on oeis4.)
