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A228997 as a simple table

n a(n)
0 0
1 1
2 130
3 2706
4 32226
5 315684
6 2961498
7 28544040
8 291590754
9 3194874900
10 37656861354
11 477018980928
12 6477756701010
13 94006723773564
14 1453236561824250
15 23855684885059944
16 414605141516228418
17 7607828522859788580
18 147012653519046471114
19 2984603478905797978320

[0,1,130,2706,32226,315684,2961498,28544040,
 291590754,3194874900,37656861354,477018980928,
 6477756701010,94006723773564,1453236561824250,
 23855684885059944,414605141516228418,
 7607828522859788580,147012653519046471114,
 2984603478905797978320]

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Last modified March 28 20:05 EDT 2024. Contains 371254 sequences. (Running on oeis4.)