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A306704 as a simple table

na(n)
01
11
2-1
32
4-2
50
61
73
8-5
9-6
1011
1111
12-12
13-35
1433
1535
16-22
17-102
18170
1947
20-224
21-491
22874
23695
24-598
25-2606
262246
271503
28-664
29-6420
3011590
312526
32-13762
33-34647
3461785
3537119
36-32372
37-181052
38147105
39104896
4012824
41-436333
42799007
43-109587
44-868230
45-2316921
464447531

[1,1,-1,2,-2,0,1,3,-5,-6,11,11,-12,-35,33,35,-22,
 -102,170,47,-224,-491,874,695,-598,-2606,2246,
 1503,-664,-6420,11590,2526,-13762,-34647,61785,
 37119,-32372,-181052,147105,104896,12824,-436333,
 799007,-109587,-868230,-2316921,4447531]