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A258490 as a simple table

n a(n)
3 5
4 56
5 465
6 3509
7 25571
8 184232
9 1325609
10 9567545
11 69387483
12 505915981
13 3708195075
14 27314663271
15 202116910415
16 1501769001416
17 11200258810265
18 83815491037841
19 629152465444715
20 4735907436066401
21 35740538971518155
22 270356740041089471
23 2049510329494271615

[5,56,465,3509,25571,184232,1325609,9567545,
 69387483,505915981,3708195075,27314663271,
 202116910415,1501769001416,11200258810265,
 83815491037841,629152465444715,4735907436066401,
 35740538971518155,270356740041089471,
 2049510329494271615]

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Last modified January 23 15:15 EST 2021. Contains 340385 sequences. (Running on oeis4.)