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A378526 as a simple table

na(n)
11
2-2
3-3
40
5-5
66
7-7
80
9-1
1010
11-11
120
13-13
1414
1514
160
17-17
182
19-19
200
2120
2222
23-23
240
25-1
2626
273
280
29-29
30-28
31-31
320
3332
3434
3534
360
37-37
3838
3938
400
41-41
42-40
43-43
440
458
4646
47-47
480
49-1
502
5150
520
53-53
54-6
5554
560
5756
5858
59-59
600
61-61
6262
6310
640
6564
66-64
67-67
680
6968
70-68
71-71
720
73-73
7474
758
760
7776
78-76
79-79
800
810
8282

[1,-2,-3,0,-5,6,-7,0,-1,10,-11,0,-13,14,14,0,-17,
 2,-19,0,20,22,-23,0,-1,26,3,0,-29,-28,-31,0,32,34,
 34,0,-37,38,38,0,-41,-40,-43,0,8,46,-47,0,-1,2,50,
 0,-53,-6,54,0,56,58,-59,0,-61,62,10,0,64,-64,-67,
 0,68,-68,-71,0,-73,74,8,0,76,-76,-79,0,0,82]