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A099318 as a simple table

na(n)
12
22
33
42
52
63
72
84
93
102
113
122
134
142
153
163
172
185
194
202
214
223
233
242
254
263
272
285
293
304
313
322
335
344
354
363
372
384
392
403
417
423
433
443
452
465
472
484
495
504
514
524
535
542
552
563
573
583
594
602
617
623
632
647
652
662
675
685
693
703
714
724
735
743
752
763
775
782
792
804
813
824
832
844
853
864
872

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