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A274491 as a simple table

na(n)
20
31
41
51
62
71
82
93
105
114
121
136
1413
159
167
1713
1828
1932
2018
216
2227
2368
2488
2558
2632
272
2857
29166
30228
31207
32102
3334
34123
35394
36623
37621
38380
39166
4020
41267
42943
431668
441812
451380
46630
47200
485
49584
502269
514366
525348
534476
542540
55967
56155

[0,1,1,1,2,1,2,3,5,4,1,6,13,9,7,13,28,32,18,6,27,
 68,88,58,32,2,57,166,228,207,102,34,123,394,623,
 621,380,166,20,267,943,1668,1812,1380,630,200,5,
 584,2269,4366,5348,4476,2540,967,155]