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A337856 as a simple table

na(n)
10
22
320
4230
52515
626889
7282211
82930013
930196730
10309564822
113161099901
1232182595954
13326874672928
143313770788984

[0,2,20,230,2515,26889,282211,2930013,30196730,
 309564822,3161099901,32182595954,326874672928,
 3313770788984]