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A158939 as a simple table

na(n)
13
22
317
4347
52903
615373
7128981
81319407
917797517
1094097537
116927837557
1248486712783
13968068681511
141472840004017
15129001208165717

[3,2,17,347,2903,15373,128981,1319407,17797517,
 94097537,6927837557,48486712783,968068681511,
 1472840004017,129001208165717]