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A239481 as a simple table

na(n)
10
20
30
40
51
60
70
81
90
102
112
121
132
143
154
165
177
186
199
2013
2113
2217
2322
2425
2532
2639
2743
2855
2967
3078
3193
32113
33132
34158
35191
36217
37260
38308
39357
40424
41498
42576
43676
44792
45916
461069
471244
481436
491666
501934
512225
522573
532971
543410
553932
564524
575183
585951
596826

[0,0,0,0,1,0,0,1,0,2,2,1,2,3,4,5,7,6,9,13,13,17,
 22,25,32,39,43,55,67,78,93,113,132,158,191,217,
 260,308,357,424,498,576,676,792,916,1069,1244,
 1436,1666,1934,2225,2573,2971,3410,3932,4524,5183,
 5951,6826]