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A198789 as a simple table

na(n)
11
21
32
41
51
63
71
82
93
104
111
121
132
141
155
161
172
182
191
203
216
221
231
241
252
264
275
287
291
302
311
322
331
341
357
368
371
381
393
403
412
425
434
441
459
461
472
483
492
504
511
522
537
543
5510
561
571
582
593
604
614
626
636
641
655
6611
671
682
692
703
711
725
733
743
751
764
777
7812
791
801
811
824
832
843
855
861
878
885
897
909
9113

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