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A178450 as a simple table

na(n)
11
2-3
3-4
44
5-6
612
7-8
8-6
96
1018
11-12
12-16
13-14
1424
1524
168
17-18
18-18
19-20
20-24
2132
2236
23-24
2424
2510
2642
27-12
28-32
29-30
30-72
31-32
32-12
3348
3454
3548
3624
37-38
3860
3956
4036
41-42
42-96
43-44
44-48
45-36
4672
47-48
48-32
4914
50-30
5172
52-56
53-54
5436
5572
5648
5780
5890
59-60
6096
61-62
6296
63-48
6416
6584
66-144
67-68
68-72
6996
70-144

[1,-3,-4,4,-6,12,-8,-6,6,18,-12,-16,-14,24,24,8,
 -18,-18,-20,-24,32,36,-24,24,10,42,-12,-32,-30,
 -72,-32,-12,48,54,48,24,-38,60,56,36,-42,-96,-44,
 -48,-36,72,-48,-32,14,-30,72,-56,-54,36,72,48,80,
 90,-60,96,-62,96,-48,16,84,-144,-68,-72,96,-144]