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A162908 as a simple table

na(n)
12
23
32
44
52
65
73
84
92
107
113
125
133
146
154
165
173
187
192
2011
214
226
232
2413
253
269
274
287
295
306
314
328
333
3411
352
3617
375
387
392
4019
413
4213
435
448
456
467
474
4811
495
509
512
5223
536
548
555
5610
573
5817
594
6013
616
629
635
6411
657
668
673
6819
692
7029
716
7210
732
7431
757
769
775
7813
796
8011
814
8217
833
8423
857
8610
878
889
892
9037
915
9215
934
9419

[2,3,2,4,2,5,3,4,2,7,3,5,3,6,4,5,3,7,2,11,4,6,2,
 13,3,9,4,7,5,6,4,8,3,11,2,17,5,7,2,19,3,13,5,8,6,
 7,4,11,5,9,2,23,6,8,5,10,3,17,4,13,6,9,5,11,7,8,3,
 19,2,29,6,10,2,31,7,9,5,13,6,11,4,17,3,23,7,10,8,
 9,2,37,5,15,4,19]