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A202969 as a simple table

na(n)
16
25908
3229714
43020170
521274708
6102972822
7384996502
81196677486
93233011170
107831389294
1117375280238
1235875950626
1369754837982
14128899962066
15228011800792
16388342150524
17639825818930
181023746518060
191595913984468

[6,5908,229714,3020170,21274708,102972822,
 384996502,1196677486,3233011170,7831389294,
 17375280238,35875950626,69754837982,128899962066,
 228011800792,388342150524,639825818930,
 1023746518060,1595913984468]