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A163649 as a simple table

na(n)
01
1-1
21
31
4-2
52
6-1
73
8-6
96
101
11-4
1212
13-24
146
15-1
165
17-20
1860
19-30
2030
211
22-6
2330
24-120
2590
26-180
2720
28-1
297
30-42
31210
32-210
33630
34-140
35140
361
37-8
3856
39-336
40420
41-1680
42560
43-1120
4470

[1,-1,1,1,-2,2,-1,3,-6,6,1,-4,12,-24,6,-1,5,-20,
 60,-30,30,1,-6,30,-120,90,-180,20,-1,7,-42,210,
 -210,630,-140,140,1,-8,56,-336,420,-1680,560,
 -1120,70]