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A226518 as a simple table

na(n)
10
21
30
41
50
60
71
80
9-1
100
110
121
132
141
152
161
170
180
191
200
211
222
233
242
251
260
271
280
290
301
310
321
332
341
350
36-1
37-2
38-1
390
40-1
410
420
431
442
451
462
471
480
49-1
500
511
520
53-1
54-2
55-1
56-2
57-1
580
590
601
610
62-1
630
641
652
663
672
683
692
703
712
721
730
74-1
750
761
770
780
791
802
813
824
833
844
853
864
875
884
893
904
915
924
933
944
953
964
973
982
991
1000

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