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A364805 as a simple table

na(n)
11
21
31
41
51
61
7141
8141
9211
10211
1182321
1282321
13526093
14526093
15526093
16526093
17127890361
18127890361

[1,1,1,1,1,1,141,141,211,211,82321,82321,526093,
 526093,526093,526093,127890361,127890361]