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A143067 as a simple table

na(n)
01
10
20
3-1
41
50
60
7-1
82
9-1
100
11-2
123
13-1
140
15-3
165
17-2
181
19-5
207
21-3
221
23-7
2411
25-5
262
27-11
2815
29-7
304
31-15
3222
33-11
346
35-22
3630
37-15
389
39-30
4042
41-22
4214
43-42
4456
45-31
4620
47-56
4877
49-43
5029
51-77
52101
53-58
5441
55-101
56135
57-80
5857
59-135
60176
61-106
6278

[1,0,0,-1,1,0,0,-1,2,-1,0,-2,3,-1,0,-3,5,-2,1,-5,
 7,-3,1,-7,11,-5,2,-11,15,-7,4,-15,22,-11,6,-22,30,
 -15,9,-30,42,-22,14,-42,56,-31,20,-56,77,-43,29,
 -77,101,-58,41,-101,135,-80,57,-135,176,-106,78]