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A307076 as a simple table

na(n)
01
11
20
3-2
4-2
50
64
74
8-2
9-10
10-6
1110
1222
134
14-34
15-46
1616
17102
1886
19-100
20-272
21-126
22370
23650
2460
25-1138
26-1384
27526
283142
292532
30-2936
31-7952
32-3440
3310802
3418426
35596
36-33344
37-38418
3818716
3991934
4068400
41-93402
42-230962
43-86236
44330144
45528880
46-17298
47-996040

[1,1,0,-2,-2,0,4,4,-2,-10,-6,10,22,4,-34,-46,16,
 102,86,-100,-272,-126,370,650,60,-1138,-1384,526,
 3142,2532,-2936,-7952,-3440,10802,18426,596,
 -33344,-38418,18716,91934,68400,-93402,-230962,
 -86236,330144,528880,-17298,-996040]