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A238299 as a simple table

n a(n)
0 1
1 4
2 24
3 164
4 1208
5 9348
6 74920
7 616420
8 5176296
9 44182916
10 382205048
11 3343343268
12 29523386968
13 262826367748
14 2356256046216
15 21254326842596
16 192766180154120
17 1756758963727620
18 16079466335134168
19 147748236828875428
20 1362397741935948024
21 12603116216808465284
22 116929440001191010664

[1,4,24,164,1208,9348,74920,616420,5176296,
 44182916,382205048,3343343268,29523386968,
 262826367748,2356256046216,21254326842596,
 192766180154120,1756758963727620,
 16079466335134168,147748236828875428,
 1362397741935948024,12603116216808465284,
 116929440001191010664]

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Last modified June 15 22:50 EDT 2024. Contains 373412 sequences. (Running on oeis4.)