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A043261 as a simple table

na(n)
10
21
32
42
53
62
74
82
93
104
115
122
134
144
156
162
173
184
195
204
215
226
237
242
254
264
276
284
296
306
318
322
333
344
355
364
375
386
397
404
415
426
437
446
457
468
479
482
494
504
516
524
536
546
558
564
576
586
598
606
618
628
6310
642
653
664
675
684
695
706
717
724
735
746
757
766
777
788
799
804
815
826
837
846
857
868
879
886
897
908

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