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A104979 as a simple table

n a(n)
0 1
1 1
2 4
3 17
4 85
5 459
6 2614
7 15454
8 93947
9 583568
10 3687761
11 23633072
12 153227250
13 1003281314
14 6624658716
15 44062205158
16 294938814921
17 1985330061570
18 13430612284606
19 91262392343333
20 622624395706714
21 4263163419492661

[1,1,4,17,85,459,2614,15454,93947,583568,3687761,
 23633072,153227250,1003281314,6624658716,
 44062205158,294938814921,1985330061570,
 13430612284606,91262392343333,622624395706714,
 4263163419492661]

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Last modified April 25 10:22 EDT 2024. Contains 371967 sequences. (Running on oeis4.)