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A128529 as a simple table

na(n)
11
21
31
41
53
64
71
83
95
101
119
128
133
143
1511
161
1715
187
197
2018
2119
2216
233
247
2515
2624
2725
2818
299
3028
3119
3224
337
3413
3521
365
3731
3820
3911
4015
4121
4232
433
4411
4531
467
4739
4823
4925
5015
5135
521
5347
5432
5515
5654
5755
5848
599
6019
6139
6260
6359
6458
6563
667
6749
6850
6911
7040
7127
7270
7363
7448
7523
7627
7747
7874
7967

[1,1,1,1,3,4,1,3,5,1,9,8,3,3,11,1,15,7,7,18,19,16,
 3,7,15,24,25,18,9,28,19,24,7,13,21,5,31,20,11,15,
 21,32,3,11,31,7,39,23,25,15,35,1,47,32,15,54,55,
 48,9,19,39,60,59,58,63,7,49,50,11,40,27,70,63,48,
 23,27,47,74,67]