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A241147 as a simple table

na(n)
11
21
33
47
533
633
7225
8405
91305
101235
1113635
1213635
13177705
14170775
15170181
16359073
176106815
185919705
19112887225
20109706355
21110362725
22107787735

[1,1,3,7,33,33,225,405,1305,1235,13635,13635,
 177705,170775,170181,359073,6106815,5919705,
 112887225,109706355,110362725,107787735]