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A256331 as a simple table

na(n)
11
23
314
481
5527
63684
727022
8205149
91598303
1012705939
11102653652
12840419676
136956988612
1458132229976
15489673597926
164153635860373
1735449185841679
18304179698619129
192622657870000646
2022710277017073785
21197418128701387895

[1,3,14,81,527,3684,27022,205149,1598303,12705939,
 102653652,840419676,6956988612,58132229976,
 489673597926,4153635860373,35449185841679,
 304179698619129,2622657870000646,
 22710277017073785,197418128701387895]