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A087891 as a simple table

na(n)
10
20
33
41
53
63
76
82
98
103
116
124
135
146
157
163
176
189
198
204
215
226
237
245
2510
265
2738
287
298
307
3136
324
3312
346
357
3610
379
388
3912
405
4137
425
4313
447
459
467
4736
486
4911
5011
5110
526
537
5439
5540
568
5714
588
5912
608
619
6236
6336
645
6513
6612
6711
687
698
707
7136
7211
7341
749
759
769
7710
7812
7913
806
8111
8237
8340
846
857
8613
8712
888
8912

[0,0,3,1,3,3,6,2,8,3,6,4,5,6,7,3,6,9,8,4,5,6,7,5,
 10,5,38,7,8,7,36,4,12,6,7,10,9,8,12,5,37,5,13,7,9,
 7,36,6,11,11,10,6,7,39,40,8,14,8,12,8,9,36,36,5,
 13,12,11,7,8,7,36,11,41,9,9,9,10,12,13,6,11,37,40,
 6,7,13,12,8,12]