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A339404 as a simple table

na(n)
01
10
21
31
42
52
64
74
87
98
1011
1113
1219
1321
1429
1535
1645
1753
1869
1980
20102
21121
22149
23176
24218
25254
26310
27365
28438
29513
30616
31716
32853
33994
341172
351362
361604
371853
382170
392509
402920
413365
423909
434488
445193
455958
466862
477854
489030
4910303
5011809
5113460
5215376
5317487
5419941
5522624
5625736
5729161

[1,0,1,1,2,2,4,4,7,8,11,13,19,21,29,35,45,53,69,
 80,102,121,149,176,218,254,310,365,438,513,616,
 716,853,994,1172,1362,1604,1853,2170,2509,2920,
 3365,3909,4488,5193,5958,6862,7854,9030,10303,
 11809,13460,15376,17487,19941,22624,25736,29161]