A349140 - cp's OEIS frontend

A349140 a(n) = Sum_{d|n} d * A348507(n/d), where A348507(n) = A003959(n) - n, where A003959 is fully multiplicative with a(p) = (p+1).

n	a(n)
1	0
2	1
3	1
4	7
5	1
6	11
7	1
8	33
9	10
10	15
11	1
12	61
13	1
14	19
15	17
16	131
17	1
18	77
19	1
20	89
21	21
22	27
23	1
24	263
25	16
26	31
27	67
28	117
29	1
30	145
31	1
32	473
33	29
34	39
35	25
36	379
37	1
38	43
39	33
40	395
41	1
42	189
43	1
44	173
45	137
46	51
47	1
48	997
49	22
50	155
51	41
52	201
53	1
54	443
55	33
56	527
57	45
58	63
59	1
60	743
61	1
62	67
63	177
64	1611
65	37
66	277
67	1
68	257
69	53
70	265
71	1
72	1541
73	1
74	79
75	187
76	285
77	37
78	321

[0, 1, 1, 7, 1, 11, 1, 33, 10, 15, 1, 61, 1, 19, 17, 131, 1, 77, 1, 89, 21, 27, 1, 263, 16, 31, 67, 117, 1, 145, 1, 473, 29, 39, 25, 379, 1, 43, 33, 395, 1, 189, 1, 173, 137, 51, 1, 997, 22, 155, 41, 201, 1, 443, 33, 527, 45, 63, 1, 743, 1, 67, 177, 1611, 37, 277, 1, 257, 53, 265, 1, 1541, 1, 79, 187, 285, 37, 321]

cp's OEIS Frontend

A349140 a(n) = Sum_{d|n} d * A348507(n/d), where A348507(n) = A003959(n) - n, where A003959 is fully multiplicative with a(p) = (p+1).

Table of values

List of values