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A221490 as a simple table

na(n)
10
20
31
41
53
61
72
82
95
103
116
123
135
144
154
163
179
182
196
205
218
224
239
244
259
267
2710
284
2917
303
3110
329
3311
349
3515
364
379
3810
3913
405
4120
427
4311
4410
4516
468
4719
486
4918
5012
5117
525
5323
549
5518
569
5715
588
5926
607
6115
6212
6316
6413
6529
668
6718
6813
6926
709
7125
7210
7319
7418
7516

[0,0,1,1,3,1,2,2,5,3,6,3,5,4,4,3,9,2,6,5,8,4,9,4,
 9,7,10,4,17,3,10,9,11,9,15,4,9,10,13,5,20,7,11,10,
 16,8,19,6,18,12,17,5,23,9,18,9,15,8,26,7,15,12,16,
 13,29,8,18,13,26,9,25,10,19,18,16]