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A286539 as a simple table

na(n)
11
21
32
41
53
64
72
81
93
105
116
123
135
144
152
161
173
185
197
208
213
229
2310
245
257
266
273
285
295
304
312
321
333
345
357
3611
3712
383
399
4013
4114
425
4313
4414
457
4611
478
483
499
5010
519
5213
5310
545
557
567
576
583
595
605
615
624
632
641
653
665
677
6811
6915
7016
713
729
7313
7417
7518
765
7713
7819
7920
807
8117
8218
8311
8415
8512
863
879
8813
8914
909
9121
9219
9313
9419
9514
965
9713
9814
9913
10017
10114
1027
10311
10411
1058
1063
1079
10810

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