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A180330 as a simple table

n a(n)
2 2620
3 10744
4 66928
5 2082464
6 7677248
7 1750776704
8 749380864
9 7074650624
10 25937232896
11 161899964416
12 3949032574976
13 56691934109696
14 162222327218176
15 5469697508737024
16 21547979005558784
17 48336727662002176

[2620,10744,66928,2082464,7677248,1750776704,
 749380864,7074650624,25937232896,161899964416,
 3949032574976,56691934109696,162222327218176,
 5469697508737024,21547979005558784,
 48336727662002176]

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Last modified May 20 20:15 EDT 2022. Contains 353876 sequences. (Running on oeis4.)