A333637 - OEIS

A333637 as a simple table

n	a(n)
1	0
2	0
3	0
4	2
5	7
6	15
7	27
8	41
9	57
10	75
11	95
12	117
13	141
14	167
15	195
16	225
17	257
18	291
19	327
20	365
21	405
22	447
23	491
24	537
25	585
26	635
27	687
28	741
29	797
30	855
31	915
32	977
33	1041
34	1107
35	1175
36	1245
37	1317
38	1391
39	1467
40	1545
41	1625
42	1707
43	1791
44	1877
45	1965
46	2055
47	2147
48	2241
49	2337
50	2435
51	2535
52	2637
53	2741
54	2847
55	2955
56	3065
57	3177
58	3291
59	3407
60	3525

[0,0,0,2,7,15,27,41,57,75,95,117,141,167,195,225, 257,291,327,365,405,447,491,537,585,635,687,741, 797,855,915,977,1041,1107,1175,1245,1317,1391, 1467,1545,1625,1707,1791,1877,1965,2055,2147,2241, 2337,2435,2535,2637,2741,2847,2955,3065,3177,3291, 3407,3525]