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A156281 as a simple table

na(n)
01
1-1
21
31
40
5-2
61
7-1
8-1
91
102
111
12-3
131
141
152
161
17-1
18-4
19-2
200
213
223
23-4
241
25-1
26-3
27-4
28-3
291
305
318
325
33-1
34-4
35-5
36-3
373
386
39-5
401
411
424
438
4411
4510
465
47-5
48-15
49-19
50-17
51-7
525
5313
549
557
56-1
57-7
58-8
591
6010
61-6
621
63-1
64-5
65-13
66-24
67-34
68-39
69-34
70-17
719
7238
7359
7463
7550
7626
77-6
78-28
79-36
80-25
81-9
822
8313
8417
858
86-5
87-14
88-4
8915
90-7
911

[1,-1,1,1,0,-2,1,-1,-1,1,2,1,-3,1,1,2,1,-1,-4,-2,
 0,3,3,-4,1,-1,-3,-4,-3,1,5,8,5,-1,-4,-5,-3,3,6,-5,
 1,1,4,8,11,10,5,-5,-15,-19,-17,-7,5,13,9,7,-1,-7,
 -8,1,10,-6,1,-1,-5,-13,-24,-34,-39,-34,-17,9,38,
 59,63,50,26,-6,-28,-36,-25,-9,2,13,17,8,-5,-14,-4,
 15,-7,1]