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A066452 as a simple table

na(n)
21
31
42
51
64
71
84
94
103
112
128
133
147
157
169
172
188
195
2010
2110
228
236
2419
256
2612
279
289
298
3022
319
3212
3312
3415
3510
3631
379
3811
3914
4024
4113
4223
439
4424
4517
4616
4710
4835
4915
5023
5125
5220
5312
5440
5517
5634
5721
5818
5914
6037
6117
6224
6325
6441
6520
6639
6714
6831
6934
7033
7118
7242
7316
7432
7537
7641
7718
7844
7925

[1,1,2,1,4,1,4,4,3,2,8,3,7,7,9,2,8,5,10,10,8,6,19,
 6,12,9,9,8,22,9,12,12,15,10,31,9,11,14,24,13,23,9,
 24,17,16,10,35,15,23,25,20,12,40,17,34,21,18,14,
 37,17,24,25,41,20,39,14,31,34,33,18,42,16,32,37,
 41,18,44,25]