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A053030 as a simple table

na(n)
13
26
37
48
59
612
714
815
916
1018
1120
1221
1323
1424
1527
1628
1730
1832
1933
2035
2136
2239
2340
2441
2542
2643
2745
2846
2947
3048
3149
3251
3352
3454
3555
3656
3757
3860
3963
4064
4166
4267
4368
4469
4570
4672
4775
4877
4978
5080
5181
5282
5383
5484
5586
5687
5788
5890
5991
6092
6193
6294
6395
6496
6598
6699
67100
68102
69103
70104

[3,6,7,8,9,12,14,15,16,18,20,21,23,24,27,28,30,32,
 33,35,36,39,40,41,42,43,45,46,47,48,49,51,52,54,
 55,56,57,60,63,64,66,67,68,69,70,72,75,77,78,80,
 81,82,83,84,86,87,88,90,91,92,93,94,95,96,98,99,
 100,102,103,104]