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A320097 as a simple table

na(n)
11
215
3463
416372
5583199
620788249
7741026781
826415034787
9941604528692
1033564941612743
111196473967526971
1242650154782713601
131520330364358307239
1454194514148101568538
151931846809485041315873
1668863650758427752078777
172454750745501814744040599

[1,15,463,16372,583199,20788249,741026781,
 26415034787,941604528692,33564941612743,
 1196473967526971,42650154782713601,
 1520330364358307239,54194514148101568538,
 1931846809485041315873,68863650758427752078777,
 2454750745501814744040599]