A063476 - cp's OEIS frontend

A063476 Sum_{d |C(n)} d^2, where C(n) is the Cototient function n - phi(n) (A051953).

n	a(n)
1	0
2	1
3	1
4	5
5	1
6	21
7	1
8	21
9	10
10	50
11	1
12	85
13	1
14	85
15	50
16	85
17	1
18	210
19	1
20	210
21	91
22	210
23	1
24	341
25	26
26	250
27	91
28	341
29	1
30	610
31	1
32	341
33	170
34	455
35	122
36	850
37	1
38	546
39	260
40	850
41	1
42	1300
43	1
44	850
45	500
46	850
47	1
48	1365
49	50
50	1300
51	362
52	1050
53	1
54	1911
55	260
56	1365
57	500
58	1300
59	1
60	2562
61	1
62	1365

[0, 1, 1, 5, 1, 21, 1, 21, 10, 50, 1, 85, 1, 85, 50, 85, 1, 210, 1, 210, 91, 210, 1, 341, 26, 250, 91, 341, 1, 610, 1, 341, 170, 455, 122, 850, 1, 546, 260, 850, 1, 1300, 1, 850, 500, 850, 1, 1365, 50, 1300, 362, 1050, 1, 1911, 260, 1365, 500, 1300, 1, 2562, 1, 1365]

cp's OEIS Frontend

A063476 Sum_{d |C(n)} d^2, where C(n) is the Cototient function n - phi(n) (A051953).

Table of values

List of values