A103638 - cp's OEIS frontend

A103638 a(n) = Sum_{d|n, d==2 mod 3} d^2.

n	a(n)
1	0
2	4
3	0
4	4
5	25
6	4
7	0
8	68
9	0
10	29
11	121
12	4
13	0
14	200
15	25
16	68
17	289
18	4
19	0
20	429
21	0
22	125
23	529
24	68
25	25
26	680
27	0
28	200
29	841
30	29
31	0
32	1092
33	121
34	293
35	1250
36	4
37	0
38	1448
39	0
40	493
41	1681
42	200
43	0
44	2061
45	25
46	533
47	2209
48	68
49	0
50	2529
51	289
52	680
53	2809
54	4
55	146
56	3400
57	0
58	845
59	3481
60	429
61	0
62	3848

[0, 4, 0, 4, 25, 4, 0, 68, 0, 29, 121, 4, 0, 200, 25, 68, 289, 4, 0, 429, 0, 125, 529, 68, 25, 680, 0, 200, 841, 29, 0, 1092, 121, 293, 1250, 4, 0, 1448, 0, 493, 1681, 200, 0, 2061, 25, 533, 2209, 68, 0, 2529, 289, 680, 2809, 4, 146, 3400, 0, 845, 3481, 429, 0, 3848]

cp's OEIS Frontend

A103638 a(n) = Sum_{d|n, d==2 mod 3} d^2.

Table of values

List of values