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A020952 as a simple table

na(n)
02
11
23
31
44
53
64
71
85
94
107
113
127
134
145
151
166
175
189
194
2011
217
2210
233
2410
257
2611
274
289
295
306
311
327
336
3411
355
3614
379
3813
394
4015
4111
4218
437
4417
4510
4613
473
4813
4910
5017
517
5218
5311
5415
554
5613
579
5814
595
6011
616
627
631
648
657
6613
676
6817
6911
7016
715
7219
7314
7423
759
7622
7713
7817
794
8019

[2,1,3,1,4,3,4,1,5,4,7,3,7,4,5,1,6,5,9,4,11,7,10,
 3,10,7,11,4,9,5,6,1,7,6,11,5,14,9,13,4,15,11,18,7,
 17,10,13,3,13,10,17,7,18,11,15,4,13,9,14,5,11,6,7,
 1,8,7,13,6,17,11,16,5,19,14,23,9,22,13,17,4,19]