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A016823 as a simple table

na(n)
01
148828125
231381059609
31792160394037
434271896307633
5350277500542221
62384185791015625
712200509765705829
850542106513726817
9177917621779460413
10550329031716248441
111532278301220703125
123909821048582988049
139269035929372191597
1420635899893042801193

[1,48828125,31381059609,1792160394037,
 34271896307633,350277500542221,2384185791015625,
 12200509765705829,50542106513726817,
 177917621779460413,550329031716248441,
 1532278301220703125,3909821048582988049,
 9269035929372191597,20635899893042801193]