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A132751 as a simple table

na(n)
11
23
33
45
511
65
77
823
923
107
119
1239
1359
1439
159
1611
1759
18119
19119
2059
2111
2213
2383
24209
25279
26209
2783
2813
2915
30111
31335
32559
33559
34335
35111
3615
3717
38143
39503
401007
411259
421007
43503
44143
4517
4619
47179
48719
491679
502519
512519
521679
53719
54179
5519

[1,3,3,5,11,5,7,23,23,7,9,39,59,39,9,11,59,119,
 119,59,11,13,83,209,279,209,83,13,15,111,335,559,
 559,335,111,15,17,143,503,1007,1259,1007,503,143,
 17,19,179,719,1679,2519,2519,1679,719,179,19]