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A142961 as a simple table

na(n)
01
11
21
33
43
55
6-2
71
830
935
10-10
115
1270
1363
148
15-2
16-75
1735
18315
19231
2056
21-14
22-245
23105
24693
25429
26-272
2736
282268
29-525
30-5880
312310
3212012
336435
34-2448
35324
369660
37-2037
38-16632
396006
4025740
4112155
423968
43-304
44-31260
453840
4673395
47-14091
48-90090
4930030
50109395
5146189
5243648
53-3344

[1,1,1,3,3,5,-2,1,30,35,-10,5,70,63,8,-2,-75,35,
 315,231,56,-14,-245,105,693,429,-272,36,2268,-525,
 -5880,2310,12012,6435,-2448,324,9660,-2037,-16632,
 6006,25740,12155,3968,-304,-31260,3840,73395,
 -14091,-90090,30030,109395,46189,43648,-3344]