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A120450 as a simple table

na(n)
10
20
31
41
51
62
72
82
92
102
112
123
133
144
153
163
173
185
194
204
214
224
234
244
256
263
275
284
294
304
316
325
335
345
355
367
375
386
396
406
416
427
435
446
457
466
477
489
498
508
516
527
537
548
557
569
576
5810
598
606
619
627
639
648
6510
669
6710
689
6910
7011
718
727
7310
748
757
7610
777
7811
799
808
8110
8210
8310

[0,0,1,1,1,2,2,2,2,2,2,3,3,4,3,3,3,5,4,4,4,4,4,4,
 6,3,5,4,4,4,6,5,5,5,5,7,5,6,6,6,6,7,5,6,7,6,7,9,8,
 8,6,7,7,8,7,9,6,10,8,6,9,7,9,8,10,9,10,9,10,11,8,
 7,10,8,7,10,7,11,9,8,10,10,10]