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A255676 as a simple table

n a(n)
1 1
2 1
3 3
4 15
5 81
6 561
7 4683
8 44415
9 479241
10 5793921
11 77332563
12 1130944815
13 17984844801
14 308888337681
15 5698762943643
16 112401325405215
17 2360158641832761
18 52564270139375841
19 1237645528139173923
20 30717272450961249615
21 801500394828539219121

[1,1,3,15,81,561,4683,44415,479241,5793921,
 77332563,1130944815,17984844801,308888337681,
 5698762943643,112401325405215,2360158641832761,
 52564270139375841,1237645528139173923,
 30717272450961249615,801500394828539219121]

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Last modified June 4 03:55 EDT 2023. Contains 363118 sequences. (Running on oeis4.)