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A096640 as a simple table

na(n)
023
17
231
379
4631
5751
62311
721319
848799
982471
10256279
1178439
121768831
131365079
142631511
151427911
164355311
175715319
1849196359
19117678031
20180628639
21475477759
22452980999

[23,7,31,79,631,751,2311,21319,48799,82471,256279,
 78439,1768831,1365079,2631511,1427911,4355311,
 5715319,49196359,117678031,180628639,475477759,
 452980999]