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A181334 as a simple table

na(n)
02
12
210
374
4238
5938
613130
723594
81298462
926637166
10201403930
115005052234
12135226271914
131315508114654
1413747435592810
15153590068548062
16202980764290906
1769141791857625242
182766595825017102650
1938897014541363246798
201724835471991750464238
2180219728936311383557694

[2,2,10,74,238,938,13130,23594,1298462,26637166,
 201403930,5005052234,135226271914,1315508114654,
 13747435592810,153590068548062,202980764290906,
 69141791857625242,2766595825017102650,
 38897014541363246798,1724835471991750464238,
 80219728936311383557694]