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A209361 as a simple table

n a(n)
1 1
2 2
3 16
4 122
5 690
6 4098
7 24301
8 131984
9 720033
10 3945050
11 21470933
12 115976303
13 629975658
14 3432416744
15 18721854079
16 102389248936
17 560740694837
18 3070272326544
19 16802201754590
20 91916873329401
21 502611764211182

[1,2,16,122,690,4098,24301,131984,720033,3945050,
 21470933,115976303,629975658,3432416744,
 18721854079,102389248936,560740694837,
 3070272326544,16802201754590,91916873329401,
 502611764211182]

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Last modified September 22 17:16 EDT 2020. Contains 337291 sequences. (Running on oeis4.)