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A220629 as a simple table

na(n)
11
28
344
4257
51481
68560
749448
8285669
91650333
109534128
1155079528
12318199485
131838267585
1410619840324
1561351790884
16354434918989
172047603011865
1811829190267612
1968338316351600
20394796716945057
212280776817922653

[1,8,44,257,1481,8560,49448,285669,1650333,
 9534128,55079528,318199485,1838267585,10619840324,
 61351790884,354434918989,2047603011865,
 11829190267612,68338316351600,394796716945057,
 2280776817922653]