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A193889 as a simple table

na(n)
12
23
35
47
59
69
79
89
99
109
119
128
139
148
159
169
179
187
199
209
219
229
239
249
259
269
279
289
298
309
316
329
339
349
359
369
379
389
399
409
419
429
439
449
459
468
479
489
499
509
519
529
539
549
559
569
579
588
597
609
619
629
639
649
659
669
679
689
699
709
719
729
739
749
758
769
779
789
799
809
819
829
839
849
859
869
879
888
899
909

[2,3,5,7,9,9,9,9,9,9,9,8,9,8,9,9,9,7,9,9,9,9,9,9,
 9,9,9,9,8,9,6,9,9,9,9,9,9,9,9,9,9,9,9,9,9,8,9,9,9,
 9,9,9,9,9,9,9,9,8,7,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,
 8,9,9,9,9,9,9,9,9,9,9,9,9,8,9,9]