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A108538 as a simple table

na(n)
01
164
2731
34553
420155
571272
6214653
7572743
81389702
93122752
106585183
1113162741
1225131718
1346115029
1481722067
15140429357
16234772177
17382932581
18610826859
19954815625
201465182669
212210554686
223283463257
234807283267
246944818576
259908846494
2613974977743
2719497238421
2826926835328

[1,64,731,4553,20155,71272,214653,572743,1389702,
 3122752,6585183,13162741,25131718,46115029,
 81722067,140429357,234772177,382932581,610826859,
 954815625,1465182669,2210554686,3283463257,
 4807283267,6944818576,9908846494,13974977743,
 19497238421,26926835328]