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A150648 as a simple table

na(n)
01
12
27
328
4117
5511
62289
710454
848363
9226027
101065173
115050638
1224077657
13115270660
14553893214
152669689176
1612901958990
1762495145519
18303328095502
191474852451252
207182372975331
2135026543641620
22171030731439493
23836074943581080
244091327646947020
2520039706540762862
2698240716119212982

[1,2,7,28,117,511,2289,10454,48363,226027,1065173,
 5050638,24077657,115270660,553893214,2669689176,
 12901958990,62495145519,303328095502,
 1474852451252,7182372975331,35026543641620,
 171030731439493,836074943581080,4091327646947020,
 20039706540762862,98240716119212982]