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A339405 as a simple table

na(n)
00
11
21
31
42
53
63
75
86
98
1011
1114
1217
1323
1428
1535
1644
1755
1866
1983
20100
21122
22148
23179
24213
25259
26307
27366
28436
29518
30609
31723
32848
33997
341169
351369
361593
371864
382163
392513
402914
413376
423894
434503
445182
455965
466854
477869
489008
4910325
5011794
5113470
5215363
5317509
5419911
5522654
5625713
5729177

[0,1,1,1,2,3,3,5,6,8,11,14,17,23,28,35,44,55,66,
 83,100,122,148,179,213,259,307,366,436,518,609,
 723,848,997,1169,1369,1593,1864,2163,2513,2914,
 3376,3894,4503,5182,5965,6854,7869,9008,10325,
 11794,13470,15363,17509,19911,22654,25713,29177]