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A258092 as a simple table

na(n)
01
1-2
24
3-10
420
5-36
664
7-112
8189
9-308
10492
11-778
121210
13-1844
142776
15-4144
166114
17-8914
1812884
19-18484
2026302
21-37124
2252040
23-72512
24100415
25-138196
26189160
27-257648
28349184
29-470932
30632312
31-845472
321125853
33-1493222
341973060
35-2597892
363408754

[1,-2,4,-10,20,-36,64,-112,189,-308,492,-778,1210,
 -1844,2776,-4144,6114,-8914,12884,-18484,26302,
 -37124,52040,-72512,100415,-138196,189160,-257648,
 349184,-470932,632312,-845472,1125853,-1493222,
 1973060,-2597892,3408754]