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A257377 as a simple table

na(n)
117
237630850994954402655487
353947453971035573715707
4174856263959258260646207
5176964638100452596444067
6207068890313310815346497
7247620555224812786876877
8322237784423505559739147

[17,37630850994954402655487,
 53947453971035573715707,174856263959258260646207,
 176964638100452596444067,207068890313310815346497,
 247620555224812786876877,322237784423505559739147]