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A050307 as a simple table

na(n)
11
2-4
31
46
5-4
61
76
82
9-4
101
11-19
1212
132
14-4
151
16-5
17-7
188
192
20-4
211
2211
23-18
24-1
258
262
27-4
281
2916
30-7
31-6
32-5
338
342
35-4
361
3726
3813
39-24
400
41-5
428
432
44-4
451
46-10
4719
4811
49-12
50-4
51-5
528
532
54-4
551
56-28
5723
5818
59-6
60-6
61-4
62-5
638
642
65-4
661
67-38
6814
694
7012
716
72-10
73-4
74-5
758
762
77-4

[1,-4,1,6,-4,1,6,2,-4,1,-19,12,2,-4,1,-5,-7,8,2,
 -4,1,11,-18,-1,8,2,-4,1,16,-7,-6,-5,8,2,-4,1,26,
 13,-24,0,-5,8,2,-4,1,-10,19,11,-12,-4,-5,8,2,-4,1,
 -28,23,18,-6,-6,-4,-5,8,2,-4,1,-38,14,4,12,6,-10,
 -4,-5,8,2,-4]