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A308298 as a simple table

na(n)
10
21
31
4-1
50
6-1
71
80
9-1
10-1
112
121
130
14-3
150
161
173
18-2
19-1
200
214
22-3
23-1
24-5
256
262
272
28-11
294
304
3113
32-16
33-5
34-8
3530
36-8
37-7
38-33
3942
408
4116
42-82
4327
4419
4595
46-116
47-21
48-45
49223
50-82
51-40
52-264
53326
5446
55135
56-629
57242
5899
59752
60-942
61-105
62-421
631826
64-717
65-240

[0,1,1,-1,0,-1,1,0,-1,-1,2,1,0,-3,0,1,3,-2,-1,0,4,
 -3,-1,-5,6,2,2,-11,4,4,13,-16,-5,-8,30,-8,-7,-33,
 42,8,16,-82,27,19,95,-116,-21,-45,223,-82,-40,
 -264,326,46,135,-629,242,99,752,-942,-105,-421,
 1826,-717,-240]