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A163210 as a simple table

n a(n)
1 1
2 1
3 1
4 3
5 23
6 71
7 757
8 2559
9 30671
10 1383331
11 5003791
12 245273927
13 3362110459
14 12517624987
15 175179377183
16 9356953451851
17 509614686432899
18 1938763632210843
19 107752663194272623

[1,1,1,3,23,71,757,2559,30671,1383331,5003791,
 245273927,3362110459,12517624987,175179377183,
 9356953451851,509614686432899,1938763632210843,
 107752663194272623]

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Last modified January 20 04:21 EST 2019. Contains 319323 sequences. (Running on oeis4.)