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A339560 as a simple table

na(n)
01
10
20
31
41
52
62
74
85
98
108
1113
1217
1322
1428
1539
1648
1762
1881
19101
20127
21167
22202
23253
24318
25395
26486
27608
28736
29906
301113
311353
321637
332011
342409
352922
363510
374227
385060
396089
407242

[1,0,0,1,1,2,2,4,5,8,8,13,17,22,28,39,48,62,81,
 101,127,167,202,253,318,395,486,608,736,906,1113,
 1353,1637,2011,2409,2922,3510,4227,5060,6089,7242]