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A146193 as a simple table

na(n)
11
21
31
41
51
61
71
81
91
101
113
123
1313
1413
1531
1631
1785
1885
19561
20561
214911
224911
2335269
2435269

[1,1,1,1,1,1,1,1,1,1,3,3,13,13,31,31,85,85,561,
 561,4911,4911,35269,35269]