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A112531 as a simple table

na(n)
11
21
32
41
52
63
73
81
92
103
116
124
133
146
154
161
172
183
196
204
216
2212
2312
245
253
266
2712
2810
294
3010
315
321
332
343
356
364
376
3812
3912
405
416
4212
4324
4420
4512
4630
4720
486
493
506
5112
5210
5312
5430
5530
5615
574
5810
5920
6020
615
6215
636
641

[1,1,2,1,2,3,3,1,2,3,6,4,3,6,4,1,2,3,6,4,6,12,12,
 5,3,6,12,10,4,10,5,1,2,3,6,4,6,12,12,5,6,12,24,20,
 12,30,20,6,3,6,12,10,12,30,30,15,4,10,20,20,5,15,
 6,1]