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A306389 as a simple table

na(n)
1-3
2-2
3-6
4-5
5-10
6-1
7-3
83
9-2
101
11-4
124
13-5
142
15-7
16-4
17-6
18-3
19-11
20-7
21-13
22-11
23-17
24-13
25-16
26-13
27-21
28-18
29-20
30-13
31-22
32-17
33-17
34-15
35-23
36-15
37-19
38-18
39-27
40-20
41-21
42-15
43-24
44-21
45-30
46-21
47-24
48-17
49-22
50-21
51-21
52-16
53-24
54-22
55-22
56-13
57-20
58-16
59-25
60-21
61-25
62-20
63-29
64-27
65-30
66-30
67-37
68-29
69-30
70-24
71-28

[-3,-2,-6,-5,-10,-1,-3,3,-2,1,-4,4,-5,2,-7,-4,-6,
 -3,-11,-7,-13,-11,-17,-13,-16,-13,-21,-18,-20,-13,
 -22,-17,-17,-15,-23,-15,-19,-18,-27,-20,-21,-15,
 -24,-21,-30,-21,-24,-17,-22,-21,-21,-16,-24,-22,
 -22,-13,-20,-16,-25,-21,-25,-20,-29,-27,-30,-30,
 -37,-29,-30,-24,-28]