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A304598 as a simple table

na(n)
11
24
313
473
5560
66007
775463
81874284
962934491
102085910493
1194776909801
127409071360844
13887762245576310

[1,4,13,73,560,6007,75463,1874284,62934491,
 2085910493,94776909801,7409071360844,
 887762245576310]