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A231168 as a simple table

na(n)
10
20
31
40
50
62
72
82
92
101
113
122
135
141
154
163
172
183
191
201
214
222
235
243
253
264
274
288
292
303
318
322
334
343
354
368
377
382
392
408
413
428
436
441
456
468
474
481
499
502
514
5210
536
541
557
5611
577
5810
592
606
619
623
636
643
656
666
676
688
694
708
714
724
739
742
7511
764
779
786
791
804
815
825
8310
847
855
866
876
887
895
908
9117
928
935
942
957
968
9711
9810
996
1004

[0,0,1,0,0,2,2,2,2,1,3,2,5,1,4,3,2,3,1,1,4,2,5,3,
 3,4,4,8,2,3,8,2,4,3,4,8,7,2,2,8,3,8,6,1,6,8,4,1,9,
 2,4,10,6,1,7,11,7,10,2,6,9,3,6,3,6,6,6,8,4,8,4,4,
 9,2,11,4,9,6,1,4,5,5,10,7,5,6,6,7,5,8,17,8,5,2,7,
 8,11,10,6,4]