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A128474 as a simple table

na(n)
30
42
51
62
73
86
94
105
117
129
138
149
1510
1614
1711
1812
1915
2017
2116
2217
2318
2421
2519
2620
2722
2824
2923
3024
3125
3230
3326
3427
3531
3633
3732
3833
3934
4037
4135
4236
4338
4440
4539
4640
4741
4845
4942
5043
5146
5248
5347
5448
5549
5652
5750
5851
5953
6055
6154
6255
6356
6462
6557
6658
6763
6865
6964
7065
7166
7269
7367
7468
7570

[0,2,1,2,3,6,4,5,7,9,8,9,10,14,11,12,15,17,16,17,
 18,21,19,20,22,24,23,24,25,30,26,27,31,33,32,33,
 34,37,35,36,38,40,39,40,41,45,42,43,46,48,47,48,
 49,52,50,51,53,55,54,55,56,62,57,58,63,65,64,65,
 66,69,67,68,70]