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A064758 as a simple table

na(n)
111
2287
35183
482943
51244159
617915903
7250822655
83439853567
946438023167
10619173642239
118173092077567
12106993205379071
131390911669927935
1417974858503684095
15231105323618795519
162958148142320582655
1737716388814587428863
18479219999055934390271
196070119988041835610111
2076675199848949502443519

[11,287,5183,82943,1244159,17915903,250822655,
 3439853567,46438023167,619173642239,8173092077567,
 106993205379071,1390911669927935,
 17974858503684095,231105323618795519,
 2958148142320582655,37716388814587428863,
 479219999055934390271,6070119988041835610111,
 76675199848949502443519]