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A055171 as a simple table

na(n)
11
21
31
41
53
61
74
83
91
101
116
123
132
144
151
161
178
183
193
204
212
226
231
242
251
261
2711
283
295
304
313
326
332
342
353
368
371
381
3913
403
418
424
434
446
453
462
475
488
492
5011
511
525
531
541
5516
563
5710
584
596
606
614
622
637
648
654
6611
672
685
693
7013
711
721
7318
743
7512
764
779
786
796
802
819
828
835
8411
853
865

[1,1,1,1,3,1,4,3,1,1,6,3,2,4,1,1,8,3,3,4,2,6,1,2,
 1,1,11,3,5,4,3,6,2,2,3,8,1,1,13,3,8,4,4,6,3,2,5,8,
 2,11,1,5,1,1,16,3,10,4,6,6,4,2,7,8,4,11,2,5,3,13,
 1,1,18,3,12,4,9,6,6,2,9,8,5,11,3,5]