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A145757 as a simple table

na(n)
11
21
39
445
5476
66933
7199238
88764691
9657200985
1080295518797
1116444907566268
125549422397331424
133112070848837147326

[1,1,9,45,476,6933,199238,8764691,657200985,
 80295518797,16444907566268,5549422397331424,
 3112070848837147326]