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A284151 as a simple table

na(n)
11
21
31
41
51
67
71
89
91
101
111
127
1314
141
1516
169
171
187
191
2021
211
2223
231
2415
251
2614
2728
281
2930
3022
311
329
331
3435
351
3643
371
381
3914
4029
4142
427
4344
4423
4516
461
471
4863
491
5051
511
5214
531
5434
5556
569
5758
5830
591
6042
611
6263
631
6473
6514
6629
671
6835
6970
701
7172
7251
731
741
7516
7677
771

[1,1,1,1,1,7,1,9,1,1,1,7,14,1,16,9,1,7,1,21,1,23,
 1,15,1,14,28,1,30,22,1,9,1,35,1,43,1,1,14,29,42,7,
 44,23,16,1,1,63,1,51,1,14,1,34,56,9,58,30,1,42,1,
 63,1,73,14,29,1,35,70,1,72,51,1,1,16,77,1]