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A059998 as a simple table

na(n)
10
20
30
40
50
61
72
82
93
103
114
124
133
143
155
164
176
185
195
205
217
225
238
246
257
267
279
286
298
305
318
327
3310
345
3511
368
3710
389
3910
404
4112
427
4311
449
4513
467
4714
488
4913
5011
5115
529
5314
547
5514
5611
5716
587
5915
608
6115
6213
6317
646
6518
6611
6717
6813
6917
705
7119
7211
7318
7413
7520
7610
7721
7811
7920
8015
8120
829
8322
8410
8521

[0,0,0,0,0,1,2,2,3,3,4,4,3,3,5,4,6,5,5,5,7,5,8,6,
 7,7,9,6,8,5,8,7,10,5,11,8,10,9,10,4,12,7,11,9,13,
 7,14,8,13,11,15,9,14,7,14,11,16,7,15,8,15,13,17,6,
 18,11,17,13,17,5,19,11,18,13,20,10,21,11,20,15,20,
 9,22,10,21]