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A163132 as a simple table

n a(n)
2 9
3 180
4 2070
5 17775
6 125865
7 773766
8 4260645
9 21453975
10 100250100
11 439479198
12 1822654251
13 7198716870
14 27221451885
15 98988000120
16 347428124352
17 1180620288702
18 3894719205510
19 12501561121560
20 39124469772495

[9,180,2070,17775,125865,773766,4260645,21453975,
 100250100,439479198,1822654251,7198716870,
 27221451885,98988000120,347428124352,
 1180620288702,3894719205510,12501561121560,
 39124469772495]

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Last modified May 28 09:09 EDT 2022. Contains 354112 sequences. (Running on oeis4.)