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A028947 as a simple table

na(n)
30
4-1
51
6-4
72
8-3
92
101
11-6
124
13-3
14-2
152
162
17-1
18-5
194
20-3
21-2
224
23-2
242
252
26-5
27-2
282
29-2
302
3110
32-12
332
34-4
358
36-9
374
380
39-2
402
410
42-4
438
44-9
452
46-2
4710
48-1
49-9
50-2
512
522
53-4
548
55-4
560
570
58-4
594
60-2
61-2
628
634
64-11
65-2
662
6710
68-9
694
70-8
712
722
732
74-2
750
76-2
772
782
79-4
804

[0,-1,1,-4,2,-3,2,1,-6,4,-3,-2,2,2,-1,-5,4,-3,-2,
 4,-2,2,2,-5,-2,2,-2,2,10,-12,2,-4,8,-9,4,0,-2,2,0,
 -4,8,-9,2,-2,10,-1,-9,-2,2,2,-4,8,-4,0,0,-4,4,-2,
 -2,8,4,-11,-2,2,10,-9,4,-8,2,2,2,-2,0,-2,2,2,-4,4]