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A161856 as a simple table

na(n)
11
21
31
41
52
61
71
81
91
104
111
121
130
142
151
166
171
181
191
201
211
222
234
241
251
262
270
281
2910
301
311
320
330
341
351
361
3712
381
391
404
41-2
421
432
440
458
461
471
481
491
501
511
5216
531
541
550
562
57-4
5812
591
6018
611
621
631
64-2
657
66-11
671
682
692
708
711
721
738
74-6
751
7622
771
781
790
800
811
82-3
838
84-12
851
864
8716
881
891
9010
91-8
921
932
944
958
961
971

[1,1,1,1,2,1,1,1,1,4,1,1,0,2,1,6,1,1,1,1,1,2,4,1,
 1,2,0,1,10,1,1,0,0,1,1,1,12,1,1,4,-2,1,2,0,8,1,1,
 1,1,1,1,16,1,1,0,2,-4,12,1,18,1,1,1,-2,7,-11,1,2,
 2,8,1,1,8,-6,1,22,1,1,0,0,1,-3,8,-12,1,4,16,1,1,
 10,-8,1,2,4,8,1,1]