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A209760 as a simple table

na(n)
11
21
33
41
53
68
71
83
911
1021
111
123
1311
1438
1555
161
173
1811
1941
20124
21144
221
233
2411
2541
26150
27389
28377
291
303
3111
3241
33153
34533
351187
36987
371
383
3911
4041
41153
42568
431838
443549
452584
461
473
4811
4941
50153
51571
522084
536168
5410447
556765
561
573
5811
5941
60153
61571
622128

[1,1,3,1,3,8,1,3,11,21,1,3,11,38,55,1,3,11,41,124,
 144,1,3,11,41,150,389,377,1,3,11,41,153,533,1187,
 987,1,3,11,41,153,568,1838,3549,2584,1,3,11,41,
 153,571,2084,6168,10447,6765,1,3,11,41,153,571,
 2128]