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A157582 as a simple table

na(n)
21
33
4222
523430
62211435
7165640041
811463980983
9700674124347
1041384377023300
112326405435793384
12127560765651968055
136827700441824422953
14350130844722624976920
1517081201454932094454170
16796830250007891403178002

[1,3,222,23430,2211435,165640041,11463980983,
 700674124347,41384377023300,2326405435793384,
 127560765651968055,6827700441824422953,
 350130844722624976920,17081201454932094454170,
 796830250007891403178002]