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A017087 as a simple table

na(n)
01
131381059609
234271896307633
32384185791015625
450542106513726817
5550329031716248441
63909821048582988049
720635899893042801193
887507831740087890625
9313726685568359708377
10984770902183611232881

[1,31381059609,34271896307633,2384185791015625,
 50542106513726817,550329031716248441,
 3909821048582988049,20635899893042801193,
 87507831740087890625,313726685568359708377,
 984770902183611232881]