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A075306 as a simple table

na(n)
13
225
391
42101
523101
660061
7510511
829099071
93792578791
1084106011991
112005604901301
12252305096583541
1311561510014033981
1452331045326680121
1531359378912013061911
161792403716245452460151
1798060777857864844592571

[3,25,91,2101,23101,60061,510511,29099071,
 3792578791,84106011991,2005604901301,
 252305096583541,11561510014033981,
 52331045326680121,31359378912013061911,
 1792403716245452460151,98060777857864844592571]