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A306708 as a simple table

na(n)
01
11
2-1
31
40
50
6-2
72
81
90
10-4
112
120
133
14-3
155
16-6
17-1
18-7
1916
20-3
217
22-19
2314
24-14
2511
26-23
2732
28-16
2937
30-38
3132
32-59
3320
34-47
35101
36-40
3770
38-122
3979
40-87
41147
42-108
43119
44-270
45116
46-199
47414
48-49
49353
50-481
51129
52-687
53428
54-376
551003
56-409
57759
58-1114

[1,1,-1,1,0,0,-2,2,1,0,-4,2,0,3,-3,5,-6,-1,-7,16,
 -3,7,-19,14,-14,11,-23,32,-16,37,-38,32,-59,20,
 -47,101,-40,70,-122,79,-87,147,-108,119,-270,116,
 -199,414,-49,353,-481,129,-687,428,-376,1003,-409,
 759,-1114]