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A212178 as a simple table

na(n)
10
20
31
40
51
61
71
81
90
101
112
121
131
141
152
161
171
181
192
202
211
220
232
241
251
262
272
281
291
302
311
321
332
342
351
361
372
383
391
401
412
422
432
442
452
461
471
482
493
501
511
522
532
540
552
562
572
581
591
602
613
621
631
642
652
661
672
682
693
702
711
723
732
741
752
763
772
781
792
801
812
822
831
842
852
863
872
881

[0,0,1,0,1,1,1,1,0,1,2,1,1,1,2,1,1,1,2,2,1,0,2,1,
 1,2,2,1,1,2,1,1,2,2,1,1,2,3,1,1,2,2,2,2,2,1,1,2,3,
 1,1,2,2,0,2,2,2,1,1,2,3,1,1,2,2,1,2,2,3,2,1,3,2,1,
 2,3,2,1,2,1,2,2,1,2,2,3,2,1]