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A232166 as a simple table

na(n)
01
12
2-2
3-4
45
56
6-10
7-12
817
924
10-30
11-40
1250
1362
14-80
15-100
16127
17160
18-196
19-244
20296
21360
22-442
23-532
24649
25786
26-940
27-1132
281347
291600
30-1910
31-2260
322682
333176
34-3734
35-4400
365157
376032
38-7066
39-8240
409616
4111202
42-13002
43-15096
4417469
4520192

[1,2,-2,-4,5,6,-10,-12,17,24,-30,-40,50,62,-80,
 -100,127,160,-196,-244,296,360,-442,-532,649,786,
 -940,-1132,1347,1600,-1910,-2260,2682,3176,-3734,
 -4400,5157,6032,-7066,-8240,9616,11202,-13002,
 -15096,17469,20192]