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A071180 as a simple table

na(n)
10
20
30
41
52
63
74
85
97
101
1110
1211
1311
1411
1512
1612
1712
1813
1913
2013
2114
2213
2315
2415
2516
2616
2717
2817
2918
3018
3119
3219
3319
3421
3521
3622
3723
3834
3934
4035
4136
4237
4338
4436
4539
4640
4741
4842
4943
5045
5155
5256
5357
5458
5556
5660
5761
5863
5964
6066
6176
6277
6379
6480
6581
6678
6784

[0,0,0,1,2,3,4,5,7,1,10,11,11,11,12,12,12,13,13,
 13,14,13,15,15,16,16,17,17,18,18,19,19,19,21,21,
 22,23,34,34,35,36,37,38,36,39,40,41,42,43,45,55,
 56,57,58,56,60,61,63,64,66,76,77,79,80,81,78,84]