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A231961 as a simple table

na(n)
01
1-90
2-216
3-738
4-1170
5-1728
6-2160
7-4500
8-3672
9-6570
10-6480
11-8640
12-9594
13-15300
14-10800
15-17280
16-18450
17-20736
18-19656
19-32580
20-22464
21-36900
22-32400
23-38016
24-36720
25-54090
26-36720
27-59058
28-58500
29-60480
30-53136
31-86580
32-58968
33-86400
34-77760

[1,-90,-216,-738,-1170,-1728,-2160,-4500,-3672,
 -6570,-6480,-8640,-9594,-15300,-10800,-17280,
 -18450,-20736,-19656,-32580,-22464,-36900,-32400,
 -38016,-36720,-54090,-36720,-59058,-58500,-60480,
 -53136,-86580,-58968,-86400,-77760]