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A355987 as a simple table

n a(n)
1 1
2 3
3 13
4 61
5 421
6 2641
7 23521
8 203281
9 2071441
10 22407841
11 286403041
12 3453468481
13 51122111041
14 759194916481
15 12216117513601
16 203300293996801
17 3811792426041601
18 69634723878720001
19 1444704854104512001
20 29725332567567436801
21 658231789483184716801

[1,3,13,61,421,2641,23521,203281,2071441,22407841,
 286403041,3453468481,51122111041,759194916481,
 12216117513601,203300293996801,3811792426041601,
 69634723878720001,1444704854104512001,
 29725332567567436801,658231789483184716801]

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Last modified May 2 10:51 EDT 2024. Contains 372196 sequences. (Running on oeis4.)