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A161128 as a simple table

n a(n)
0 0
1 0
2 0
3 2
4 17
5 121
6 891
7 7155
8 63351
9 617463
10 6590727
11 76589127
12 963486567
13 13052781927
14 189537379047
15 2937560365287
16 48409889869287
17 845393769958887
18 15596602532173287
19 303139660882458087
20 6191620542649779687

[0,0,0,2,17,121,891,7155,63351,617463,6590727,
 76589127,963486567,13052781927,189537379047,
 2937560365287,48409889869287,845393769958887,
 15596602532173287,303139660882458087,
 6191620542649779687]

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Last modified April 23 13:04 EDT 2024. Contains 371913 sequences. (Running on oeis4.)