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A057000 as a simple table

na(n)
10
21
30
42
5-2
64
7-2
82
9-2
106
11-6
128
13-6
142
150
168
17-10
1812
19-10
204
21-2
2212
23-14
2412
25-8
266
27-6
2816
29-20
3022
31-14
324
33-4
348
35-12
3624
37-18
386
39-8
4024
41-28
4230
43-22
444
45-2
4624
47-30
4826
49-22
5012
51-8
5228
53-34
5422
55-16
5612
57-8
5830
59-42
6044
61-30
626
63-4
6416
65-28
6646
67-34
6812
69-20
7046
71-46
7248
73-36
744

[0,1,0,2,-2,4,-2,2,-2,6,-6,8,-6,2,0,8,-10,12,-10,
 4,-2,12,-14,12,-8,6,-6,16,-20,22,-14,4,-4,8,-12,
 24,-18,6,-8,24,-28,30,-22,4,-2,24,-30,26,-22,12,
 -8,28,-34,22,-16,12,-8,30,-42,44,-30,6,-4,16,-28,
 46,-34,12,-20,46,-46,48,-36,4]