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A166240 as a simple table

na(n)
11
21
31
41
51
61
71
82
91
101
111
122
132
141
151
161
173
182
192
201
211
221
233
244
252
262
271
281
291
304
314
324
332
342
351
361
371
381
394
406
414
424
432
442
451
461
471
485
496
507
514
524
532
542
551
561
571
585
599
607
617
624
634
642
652
661
671
681
696
709
7111
727
737
744
754
762
772
781
791

[1,1,1,1,1,1,1,2,1,1,1,2,2,1,1,1,3,2,2,1,1,1,3,4,
 2,2,1,1,1,4,4,4,2,2,1,1,1,1,4,6,4,4,2,2,1,1,1,5,6,
 7,4,4,2,2,1,1,1,5,9,7,7,4,4,2,2,1,1,1,6,9,11,7,7,
 4,4,2,2,1,1]