A187607 - OEIS

A187607 as a simple table

n	a(n)
1	0
2	0
3	9
4	36
5	100
6	196
7	324
8	484
9	676
10	900
11	1156
12	1444
13	1764
14	2116
15	2500
16	2916
17	3364
18	3844
19	4356
20	4900
21	5476
22	6084
23	6724
24	7396
25	8100
26	8836
27	9604
28	10404
29	11236
30	12100
31	12996
32	13924
33	14884
34	15876
35	16900
36	17956
37	19044
38	20164
39	21316
40	22500
41	23716
42	24964

[0,0,9,36,100,196,324,484,676,900,1156,1444,1764, 2116,2500,2916,3364,3844,4356,4900,5476,6084,6724, 7396,8100,8836,9604,10404,11236,12100,12996,13924, 14884,15876,16900,17956,19044,20164,21316,22500, 23716,24964]