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A197663 as a simple table

na(n)
11
21
313
449
5567
615412
7329372
821751339
92108724044
10293878982370
1187209877288093
1239253957174939181

[1,1,13,49,567,15412,329372,21751339,2108724044,
 293878982370,87209877288093,39253957174939181]