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A271069 as a simple table

na(n)
10
21
313
4138
51628
623527
7435147
810546164
9339692832
1014675385285
11855707505235
1267645098281722
137273718690098068
141066532362363098251
15213665221064800026604
1658573977551568152227368

[0,1,13,138,1628,23527,435147,10546164,339692832,
 14675385285,855707505235,67645098281722,
 7273718690098068,1066532362363098251,
 213665221064800026604,58573977551568152227368]