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A219215 as a simple table

n a(n)
1 21
2 35
3 955
4 10287
5 131724
6 1401275
7 14175675
8 136413948
9 1283062154
10 11695541948
11 102588904127
12 863023412195
13 6981340309288
14 54544421462030
15 413195108006170
16 3042964253577367
17 21823625042074665
18 152628759842187080

[21,35,955,10287,131724,1401275,14175675,
 136413948,1283062154,11695541948,102588904127,
 863023412195,6981340309288,54544421462030,
 413195108006170,3042964253577367,
 21823625042074665,152628759842187080]

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Last modified August 2 02:53 EDT 2021. Contains 346409 sequences. (Running on oeis4.)