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A326937 as a simple table

na(n)
11
2-1
3-3
40
5-5
63
7-7
80
90
105
11-11
120
13-13
147
1515
160
17-17
180
19-19
200
2121
2211
23-23
240
250
2613
270
280
29-29
30-15
31-31
320
3333
3417
3535
360
37-37
3819
3939
400
41-41
42-21
43-43
440
450
4623
47-47
480
490
500
5151
520
53-53
540
5555
560
5757
5829
59-59
600
61-61
6231
630
640
6565
66-33
67-67
680
6969
70-35
71-71
720
73-73
7437
750

[1,-1,-3,0,-5,3,-7,0,0,5,-11,0,-13,7,15,0,-17,0,
 -19,0,21,11,-23,0,0,13,0,0,-29,-15,-31,0,33,17,35,
 0,-37,19,39,0,-41,-21,-43,0,0,23,-47,0,0,0,51,0,
 -53,0,55,0,57,29,-59,0,-61,31,0,0,65,-33,-67,0,69,
 -35,-71,0,-73,37,0]