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A057058 as a simple table

na(n)
11
21
32
41
53
62
71
84
92
103
111
125
132
144
153
161
176
182
195
203
214
221
237
242
256
263
275
284
291
308
312
327
333
346
354
365
371
389
392
408
413
427
434
446
455
461
4710
482
499
503
518
524
537
545
556
561
5711
582
5910
603
619
624
638
645
657
666
671
6812
692
7011
713
7210
734
749
755
768
776
787
791
8013
812
8212
833
8411
854

[1,1,2,1,3,2,1,4,2,3,1,5,2,4,3,1,6,2,5,3,4,1,7,2,
 6,3,5,4,1,8,2,7,3,6,4,5,1,9,2,8,3,7,4,6,5,1,10,2,
 9,3,8,4,7,5,6,1,11,2,10,3,9,4,8,5,7,6,1,12,2,11,3,
 10,4,9,5,8,6,7,1,13,2,12,3,11,4]