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A157790 as a simple table

na(n)
11
21
32
42
53
63
74
83
94
104
114
123
134
143
154
164
174
184
196
204
215
225
234
244
257
264
275
285
296
304
318
324
336
345
356
364
378
384
396
405
417
424
438
444
456
466
476
484
498
504
518
525
536
544
558
565
577
585
596
604
618
625
636
646
656
665
678
684
696
705

[1,1,2,2,3,3,4,3,4,4,4,3,4,3,4,4,4,4,6,4,5,5,4,4,
 7,4,5,5,6,4,8,4,6,5,6,4,8,4,6,5,7,4,8,4,6,6,6,4,8,
 4,8,5,6,4,8,5,7,5,6,4,8,5,6,6,6,5,8,4,6,5]