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A275530 as a simple table

na(n)
03
13
23
39
43
53
63
7113
8331
9513
10827
11799
123291
135041
1471
15220221
1623891
1711559
18187503
1935963

[3,3,3,9,3,3,3,113,331,513,827,799,3291,5041,71,
 220221,23891,11559,187503,35963]