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A167541 as a simple table

na(n)
62
75
88
910
1010
117
120
13-12
14-30
15-55
16-88
17-130
18-182
19-245
20-320
21-408
22-510
23-627
24-760
25-910
26-1078
27-1265
28-1472
29-1700
30-1950
31-2223
32-2520
33-2842
34-3190
35-3565
36-3968
37-4400
38-4862
39-5355
40-5880
41-6438
42-7030
43-7657
44-8320
45-9020
46-9758
47-10535
48-11352

[2,5,8,10,10,7,0,-12,-30,-55,-88,-130,-182,-245,
 -320,-408,-510,-627,-760,-910,-1078,-1265,-1472,
 -1700,-1950,-2223,-2520,-2842,-3190,-3565,-3968,
 -4400,-4862,-5355,-5880,-6438,-7030,-7657,-8320,
 -9020,-9758,-10535,-11352]