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A302223 as a simple table

na(n)
18
21934
315569
4251254
53018243
642508145
7553097760
87403262824
997939043966
101301831347709
1117275065368012
12229303687769069
133043569120232324
1440395942785616147
15536209245725631300
167116991167351864042

[8,1934,15569,251254,3018243,42508145,553097760,
 7403262824,97939043966,1301831347709,
 17275065368012,229303687769069,3043569120232324,
 40395942785616147,536209245725631300,
 7116991167351864042]