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A289079 as a simple table

na(n)
11
21
31
42
51
63
71
85
92
103
111
1213
131
143
153
1622
171
1816
191
2015
213
223
231
24151
252
263
276
2817
291
3041
311
32334
333
343
353
36637
371
383
393
40275
411
4256
431
4421
4519
463
471
4815591
492
5027
513
5223
531
54902
553
56516
573
583
591
607858
611
623
6321
6469109
653
6698
671
6827
693
7067
711
72811756
731

[1,1,1,2,1,3,1,5,2,3,1,13,1,3,3,22,1,16,1,15,3,3,
 1,151,2,3,6,17,1,41,1,334,3,3,3,637,1,3,3,275,1,
 56,1,21,19,3,1,15591,2,27,3,23,1,902,3,516,3,3,1,
 7858,1,3,21,69109,3,98,1,27,3,67,1,811756,1]