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A220452 as a simple table

n a(n)
1 1
2 3
3 9
4 37
5 225
6 1881
7 19873
8 251889
9 3712257
10 62286625
11 1171487361
12 24402416193
13 557542291969
14 13861636770177
15 372514645389825
16 10759590258589441
17 332386419622387713
18 10935312198369141249
19 381705328034883127297
20 14089260601787531469825
21 548302210950105933701121

[1,3,9,37,225,1881,19873,251889,3712257,62286625,
 1171487361,24402416193,557542291969,
 13861636770177,372514645389825,10759590258589441,
 332386419622387713,10935312198369141249,
 381705328034883127297,14089260601787531469825,
 548302210950105933701121]

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Last modified April 25 09:13 EDT 2024. Contains 371967 sequences. (Running on oeis4.)