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A160520 as a simple table

na(n)
11
22
31
42
52
62
71
82
92
102
113
122
131
142
154
162
173
184
193
202
211
222
233
243
252
264
272
283
293
302
311
322
332
342
352
362
374
383
393
405
413
422
431
442
454
463
474
482
492
503
512
524
533
545
553
562
571
582
595
602
614
623
634
642
653
662
672
685
694
703
713
722
731
742
752

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