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A287610 as a simple table

na(n)
11
2-1
35
4-6
51
61
7-2
82
9-1
102
11-2
12-1
131
1477
15-120
1660
17-20
183
191
20-3
215
22-5
233
24-1
2562
26-75
27-25
2875
29-60
3023
31669
32-1260
331050
34-700
35315
36-84
3710
383
39-12
4028
41-42
4242
43-28
4412
45-3
461056
47-2100
481960
49-1470
50735
51-196
520
5315
544609
55-10080
5611760
57-11760
588820
59-4704
601680
61-360
6235
631
64-5
6515

[1,-1,5,-6,1,1,-2,2,-1,2,-2,-1,1,77,-120,60,-20,3,
 1,-3,5,-5,3,-1,62,-75,-25,75,-60,23,669,-1260,
 1050,-700,315,-84,10,3,-12,28,-42,42,-28,12,-3,
 1056,-2100,1960,-1470,735,-196,0,15,4609,-10080,
 11760,-11760,8820,-4704,1680,-360,35,1,-5,15]