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A323930 as a simple table

na(n)
11
21
33
47
522
681
7331
81436
96510
1030129
11141512
12671538
133210620
1415443871
1574662005
16362506902

[1,1,3,7,22,81,331,1436,6510,30129,141512,671538,
 3210620,15443871,74662005,362506902]