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A163375 as a simple table

na(n)
11
21
33
43
54
63
77
84
97
104
117
124
1312
147
157
167
176
187
1912
207
2112
227
237
247
2512
2612
2712
2812
2912
307
3115
326
3312
346
3515
3612
3713
3812
3915
406
4115
4212
4315
4412
4515
467
477
486
4915
5012
5112
5215
5312
5412
5515
5615
5713
5812
597
606
6128
6215
6313
6412
6518
6612
6715
6812
6912
7015
7115
7215

[1,1,3,3,4,3,7,4,7,4,7,4,12,7,7,7,6,7,12,7,12,7,7,
 7,12,12,12,12,12,7,15,6,12,6,15,12,13,12,15,6,15,
 12,15,12,15,7,7,6,15,12,12,15,12,12,15,15,13,12,7,
 6,28,15,13,12,18,12,15,12,12,15,15,15]