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A192239 as a simple table

na(n)
10
21
33
413
571
6463
73497
829975
9287265
103042545
1135284315
12444617525
136048575335
1488347242335
151378930649745
1622903345844335
17403342641729665
187506843094993825
19147226845692229875
203034786640911840925
2165592491119118514375

[0,1,3,13,71,463,3497,29975,287265,3042545,
 35284315,444617525,6048575335,88347242335,
 1378930649745,22903345844335,403342641729665,
 7506843094993825,147226845692229875,
 3034786640911840925,65592491119118514375]