A177725 - OEIS

A177725 as a simple table

n	a(n)
1	0
2	0
3	0
4	0
5	0
6	0
7	0
8	0
9	20
10	48
11	84
12	128
13	180
14	240
15	308
16	384
17	504
18	640
19	792
20	960
21	1144
22	1344
23	1560
24	1792
25	2144
26	2528
27	2944
28	3392
29	3872
30	4384
31	4928
32	5504
33	6248
34	7040
35	7880
36	8768
37	9704
38	10688
39	11720
40	12800
41	14264
42	15808
43	17432
44	19136
45	20920
46	22784
47	24728
48	26752

[0,0,0,0,0,0,0,0,20,48,84,128,180,240,308,384,504, 640,792,960,1144,1344,1560,1792,2144,2528,2944, 3392,3872,4384,4928,5504,6248,7040,7880,8768,9704, 10688,11720,12800,14264,15808,17432,19136,20920, 22784,24728,26752]