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A206559 as a simple table

na(n)
10
20
30
40
50
60
70
80
91
100
111
121
132
142
154
164
177
189
1912
2015
2122
2226
2336
2445
2559
2673
2797
28117
29152
30187
31236
32289
33365
34442
35551
36671
37825
38999
391226
401474
411796
422159
432609
443124
453765
464485
475377
486396
497627
509041
5110750
5212696
5315038
5417724
5520909

[0,0,0,0,0,0,0,0,1,0,1,1,2,2,4,4,7,9,12,15,22,26,
 36,45,59,73,97,117,152,187,236,289,365,442,551,
 671,825,999,1226,1474,1796,2159,2609,3124,3765,
 4485,5377,6396,7627,9041,10750,12696,15038,17724,
 20909]