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A247998 as a simple table

n a(n)
1 32
2 1264
3 12612
4 86736
5 397988
6 1514488
7 4733944
8 13169096
9 32627776
10 74644904
11 158141788
12 316423636
13 599460740
14 1087861964
15 1895412312
16 3194011500
17 5215227944
18 8292270228
19 12857896052
20 19510878956
21 29007530052
22 42361147100

[32,1264,12612,86736,397988,1514488,4733944,
 13169096,32627776,74644904,158141788,316423636,
 599460740,1087861964,1895412312,3194011500,
 5215227944,8292270228,12857896052,19510878956,
 29007530052,42361147100]

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Last modified December 4 13:29 EST 2021. Contains 349526 sequences. (Running on oeis4.)