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A057021 as a simple table

na(n)
11
22
31
43
51
61
71
84
93
102
111
123
131
141
151
165
171
182
191
201
211
221
231
242
253
262
271
283
291
301
311
322
331
342
351
369
371
381
391
404
411
421
431
441
451
461
471
485
491
502
511
523
531
541
551
561
571
582
591
601
611
621
633
647
651
661
671
681
691
701

[1,2,1,3,1,1,1,4,3,2,1,3,1,1,1,5,1,2,1,1,1,1,1,2,
 3,2,1,3,1,1,1,2,1,2,1,9,1,1,1,4,1,1,1,1,1,1,1,5,1,
 2,1,3,1,1,1,1,1,2,1,1,1,1,3,7,1,1,1,1,1,1]