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A069021 as a simple table

n a(n)
1 1
2 8
3 48
4 242
5 844
6 22020
7 217070
8 1092747
9 8870024
10 221167422
11 221167422
12 47255689915
13 82462576220
14 1043460553364
15 79180770078548
16 3215226335143218
17 23742453640900972

[1,8,48,242,844,22020,217070,1092747,8870024,
 221167422,221167422,47255689915,82462576220,
 1043460553364,79180770078548,3215226335143218,
 23742453640900972]

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Last modified March 29 02:15 EDT 2024. Contains 371264 sequences. (Running on oeis4.)