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A079486 as a simple table

na(n)
13
215
3103
4879
58787
699061
71227369
816409937
9233588249
103504149013
1154963273921
12895797910129

[3,15,103,879,8787,99061,1227369,16409937,
 233588249,3504149013,54963273921,895797910129]