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A113419 as a simple table

na(n)
01
12
2-4
3-8
47
510
6-12
7-8
818
918
10-16
11-24
1221
1320
14-28
15-32
1620
1732
18-36
19-24
2042
2142
22-28
23-48
2457
2536
26-52
27-40
2836
2958
30-60
31-56
3248
3366
34-48
35-72
3674
3742
38-80
39-80
4061
4182
42-72
43-56
4490
4596
46-64
47-72
4898
4970
50-100
51-104
5264
53106
54-108
55-72
56114
5796

[1,2,-4,-8,7,10,-12,-8,18,18,-16,-24,21,20,-28,
 -32,20,32,-36,-24,42,42,-28,-48,57,36,-52,-40,36,
 58,-60,-56,48,66,-48,-72,74,42,-80,-80,61,82,-72,
 -56,90,96,-64,-72,98,70,-100,-104,64,106,-108,-72,
 114,96]