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A146229 as a simple table

na(n)
11
21
31
41
51
61
71
81
91
101
113
123
1313
1413
1537
1637
17183
18183
19817
20817
215601
225601
2359649
2459649

[1,1,1,1,1,1,1,1,1,1,3,3,13,13,37,37,183,183,817,
 817,5601,5601,59649,59649]