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A231591 as a simple table

na(n)
11
23
332
4391
53906
639572
7400626
84047829
940794211
10410514052
114126066282
1241436122092
13415853103290
144171375888398

[1,3,32,391,3906,39572,400626,4047829,40794211,
 410514052,4126066282,41436122092,415853103290,
 4171375888398]