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A080468 as a simple table

na(n)
20
31
40
51
62
71
80
91
102
111
122
133
142
151
160
171
182
191
202
213
222
231
242
253
262
273
284
293
302
311
320
331
342
351
362
373
382
391
402
413
422
433
444
453
462
471
482
493
502
513
524
533
542
553
564
573
584
595
604
613
622
631
640
651
662
671
682
693
702
711
722
733
742
753
764
773
782
791
802
813
822
833
844
853
862
873
884
893
904
915
924
933
942
951
962
973
982
993
1004
1013
1022
1033
1044
1053
1064

[0,1,0,1,2,1,0,1,2,1,2,3,2,1,0,1,2,1,2,3,2,1,2,3,
 2,3,4,3,2,1,0,1,2,1,2,3,2,1,2,3,2,3,4,3,2,1,2,3,2,
 3,4,3,2,3,4,3,4,5,4,3,2,1,0,1,2,1,2,3,2,1,2,3,2,3,
 4,3,2,1,2,3,2,3,4,3,2,3,4,3,4,5,4,3,2,1,2,3,2,3,4,
 3,2,3,4,3,4]