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A062439 as a simple table

na(n)
02
12
23
313
489
5659
65443
749033
8484037
95222429
1061194647
11774825383
1210552185239
13153903050137
142394322471421
1539588599419319
16693389445083107
1712826386978604427
18249902442548157673
195115640857307591139
20109776797549312197217
212464348772728229970857

[2,2,3,13,89,659,5443,49033,484037,5222429,
 61194647,774825383,10552185239,153903050137,
 2394322471421,39588599419319,693389445083107,
 12826386978604427,249902442548157673,
 5115640857307591139,109776797549312197217,
 2464348772728229970857]