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A234575 as a simple table

na(n)
11
22
31
43
52
61
74
82
92
101
115
123
133
142
151
166
173
182
193
202
211
227
234
243
254
263
272
281
298
304
314
322
334
343
352
361
379
385
393
403
415
424
433
442
451
4610
475
484
494
502
515
524
533
542
551
5611
576
585
595
603
616
625
634
643
652
661
6712
686
694
703
714
722
736
745
754
763
772
781
7913
807
815
824
835
843
857
866
875

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