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A147013 as a simple table

na(n)
11
21
31
41
51
61
71
81
91
101
1113
1213
1357
1457
15273
16273
172363
182363
1927689
2027689
21439785
22439785
2310940975
2410940975
25360992565
26360992565

[1,1,1,1,1,1,1,1,1,1,13,13,57,57,273,273,2363,
 2363,27689,27689,439785,439785,10940975,10940975,
 360992565,360992565]