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A103597
as a simple table
n
a(n)
1
1
2
1
3
2
4
2
5
3
6
5
7
7
8
13
9
25
10
59
11
170
12
644
13
3402
14
27178
15
361139
16
8947437
17
474314304
[1,1,2,2,3,5,7,13,25,59,170,644,3402,27178,361139, 8947437,474314304]
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Last modified January 29 13:51 EST 2023. Contains 359923 sequences. (Running on oeis4.)