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A261001 as a simple table

na(n)
11
21
33
411
555
6337
72469
821021
9204083
102225455
1126933707
12358263257
135195425937
1481580864601
151379021735147
1624967860141019
17482069363651759
189887244178274137
19214678344941548789
204919465708844154821
21118650412290960022299
223004435409327455196783

[1,1,3,11,55,337,2469,21021,204083,2225455,
 26933707,358263257,5195425937,81580864601,
 1379021735147,24967860141019,482069363651759,
 9887244178274137,214678344941548789,
 4919465708844154821,118650412290960022299,
 3004435409327455196783]