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A201698 as a simple table

na(n)
13
248
32068
4167625
514268351
6795339012
727102769900
8615440785548
910106227864338
10127441635892627
111290114077123683
1210846768837607450
1377797729805055016
14486398599750167133
152697872438447793007

[3,48,2068,167625,14268351,795339012,27102769900,
 615440785548,10106227864338,127441635892627,
 1290114077123683,10846768837607450,
 77797729805055016,486398599750167133,
 2697872438447793007]