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A348508 as a simple table

na(n)
1-1
2-1
3-2
41
5-4
60
7-6
811
9-2
10-2
11-10
1212
13-12
14-4
15-6
1649
17-16
1812
19-18
2014
21-10
22-8
23-22
2460
25-14
26-10
2710
2816
29-28
3012
31-30
32179
33-18
34-14
35-22
3672
37-36
38-16
39-22
4082
41-40
4212
43-42
4420
456
46-20
47-46
48228
49-34
508
51-30
5222
53-52
5484
55-38
56104
57-34
58-26
59-58
6096
61-60
62-28
632
64601
65-46
6612
67-66
6826
69-42
704
71-70
72288

[-1,-1,-2,1,-4,0,-6,11,-2,-2,-10,12,-12,-4,-6,49,
 -16,12,-18,14,-10,-8,-22,60,-14,-10,10,16,-28,12,
 -30,179,-18,-14,-22,72,-36,-16,-22,82,-40,12,-42,
 20,6,-20,-46,228,-34,8,-30,22,-52,84,-38,104,-34,
 -26,-58,96,-60,-28,2,601,-46,12,-66,26,-42,4,-70,
 288]