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A131445 as a simple table

na(n)
13
23
33
425
547
62261
715833
842223
942223
1011400211
111672031
12136802537
132173640311
142173640311
15342348348983
165975534818613
17372475003693547
1821511925347007
1976431870757915873
2056199904969055789
214223866541884824563

[3,3,3,25,47,2261,15833,42223,42223,11400211,
 1672031,136802537,2173640311,2173640311,
 342348348983,5975534818613,372475003693547,
 21511925347007,76431870757915873,
 56199904969055789,4223866541884824563]