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A162074 as a simple table

na(n)
11
22
33
48
531
6187
72283
842743
91641965
10103253028
1112810578372
122750743641417
131126452639815250
14830354090187673737
151152099822267599547753

[1,2,3,8,31,187,2283,42743,1641965,103253028,
 12810578372,2750743641417,1126452639815250,
 830354090187673737,1152099822267599547753]