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A146442 as a simple table

na(n)
11
21
31
41
51
61
71
81
91
101
113
123
139
149
1523
1623
1751
1851
19307
20307
212165
222165
2314201
2414201

[1,1,1,1,1,1,1,1,1,1,3,3,9,9,23,23,51,51,307,307,
 2165,2165,14201,14201]