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A039912 as a simple table

na(n)
21
31
4-2
51
6-3
74
81
9-4
106
11-8
121
13-5
1410
15-9
1616
171
18-6
1915
20-20
219
22-32
231
24-7
2521
26-35
2736
280
2964
301
31-8
3228
33-56
3470
35-64
36-27
37-128
381
39-9
4036
41-84
42126
43-125
44120
4581
46256
471
48-10
4945
50-120
51210
52-252
53200
54-240
55-162
56-512
571
58-11
5955
60-165
61330
62-462
63463
64-275
65496
66243
671024
681
69-12
7066
71-220
72495
73-792
74924

[1,1,-2,1,-3,4,1,-4,6,-8,1,-5,10,-9,16,1,-6,15,
 -20,9,-32,1,-7,21,-35,36,0,64,1,-8,28,-56,70,-64,
 -27,-128,1,-9,36,-84,126,-125,120,81,256,1,-10,45,
 -120,210,-252,200,-240,-162,-512,1,-11,55,-165,
 330,-462,463,-275,496,243,1024,1,-12,66,-220,495,
 -792,924]