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A081362 as a simple table

na(n)
01
1-1
20
3-1
41
5-1
61
7-1
82
9-2
102
11-2
123
13-3
143
15-4
165
17-5
185
19-6
207
21-8
228
23-9
2411
25-12
2612
27-14
2816
29-17
3018
31-20
3223
33-25
3426
35-29
3633
37-35
3837
39-41
4046
41-49
4252
43-57
4463
45-68
4672
47-78
4887
49-93
5098
51-107
52117
53-125
54133
55-144
56157
57-168
58178
59-192
60209
61-223
62236
63-255
64276
65-294
66312
67-335
68361
69-385

[1,-1,0,-1,1,-1,1,-1,2,-2,2,-2,3,-3,3,-4,5,-5,5,
 -6,7,-8,8,-9,11,-12,12,-14,16,-17,18,-20,23,-25,
 26,-29,33,-35,37,-41,46,-49,52,-57,63,-68,72,-78,
 87,-93,98,-107,117,-125,133,-144,157,-168,178,
 -192,209,-223,236,-255,276,-294,312,-335,361,-385]