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A055177 as a simple table

na(n)
13
23
31
43
52
61
71
83
93
101
113
122
131
143
156
161
175
182
192
203
217
221
236
242
254
266
271
285
291
303
318
321
339
342
355
366
373
385
392
407
411
424
431
443
4510
461
4712
482
497
506
514
525
534
547
552
564
572
588
591
609
611
623
6311
641
6515
662
6710
686
695
705
715
727
734
744
755
768
772
789
792
8010
811
8212
831
843
8512
861

[3,3,1,3,2,1,1,3,3,1,3,2,1,3,6,1,5,2,2,3,7,1,6,2,
 4,6,1,5,1,3,8,1,9,2,5,6,3,5,2,7,1,4,1,3,10,1,12,2,
 7,6,4,5,4,7,2,4,2,8,1,9,1,3,11,1,15,2,10,6,5,5,5,
 7,4,4,5,8,2,9,2,10,1,12,1,3,12,1]