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A117593
as a simple table
n
a(n)
1
0
2
2
3
3
4
5
5
7
6
12
7
39
8
1130
9
2627
10
8090
11
14197
12
33004
13
43721
14
178364
15
86700684
16
114853953
17
267003047
18
3354494070
[0,2,3,5,7,12,39,1130,2627,8090,14197,33004,43721, 178364,86700684,114853953,267003047,3354494070]
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Last modified August 7 22:54 EDT 2024. Contains 375018 sequences. (Running on oeis4.)