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A071508 as a simple table

na(n)
11
21
32
42
53
63
74
81
91
105
116
123
133
142
152
161
171
188
198
207
217
226
235
245
254
264
271
281
292
302
318
328
334
345
355
366
376
387
397
408
418
421
431
4410
4510
467
476
486
491
501
514
524
533
543
552
561
571
588
594
604
6111
622
632
646
6512
668
678
681
691
702
713
723
738
744
759
761
7714
7814
7911
803
8116
821
831
848

[1,1,2,2,3,3,4,1,1,5,6,3,3,2,2,1,1,8,8,7,7,6,5,5,
 4,4,1,1,2,2,8,8,4,5,5,6,6,7,7,8,8,1,1,10,10,7,6,6,
 1,1,4,4,3,3,2,1,1,8,4,4,11,2,2,6,12,8,8,1,1,2,3,3,
 8,4,9,1,14,14,11,3,16,1,1,8]