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A015459 as a simple table

n a(n)
0 0
1 1
2 1
3 3
4 7
5 31
6 143
7 1135
8 10287
9 155567
10 2789039
11 82439343
12 2938415279
13 171774189743
14 12207523172527
15 1419381685547183
16 201427441344229551
17 46711726513354322095
18 13247460522448782176431
19 6135846878080826487812271

[0,1,1,3,7,31,143,1135,10287,155567,2789039,
 82439343,2938415279,171774189743,12207523172527,
 1419381685547183,201427441344229551,
 46711726513354322095,13247460522448782176431,
 6135846878080826487812271]

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Last modified April 24 19:06 EDT 2024. Contains 371962 sequences. (Running on oeis4.)