A349129 - cp's OEIS frontend

A349129 a(n) = Sum_{d|n} A003958(d) * A003959(n/d), where A003958 is fully multiplicative with a(p) = (p-1), and A003959 is fully multiplicative with a(p) = (p+1).

n	a(n)
1	1
2	4
3	6
4	13
5	10
6	24
7	14
8	40
9	28
10	40
11	22
12	78
13	26
14	56
15	60
16	121
17	34
18	112
19	38
20	130
21	84
22	88
23	46
24	240
25	76
26	104
27	120
28	182
29	58
30	240
31	62
32	364
33	132
34	136
35	140
36	364
37	74
38	152
39	156
40	400
41	82
42	336
43	86
44	286
45	280
46	184
47	94
48	726
49	148
50	304
51	204
52	338
53	106
54	480
55	220
56	560
57	228
58	232
59	118
60	780
61	122
62	248
63	392
64	1093
65	260
66	528
67	134
68	442
69	276

[1, 4, 6, 13, 10, 24, 14, 40, 28, 40, 22, 78, 26, 56, 60, 121, 34, 112, 38, 130, 84, 88, 46, 240, 76, 104, 120, 182, 58, 240, 62, 364, 132, 136, 140, 364, 74, 152, 156, 400, 82, 336, 86, 286, 280, 184, 94, 726, 148, 304, 204, 338, 106, 480, 220, 560, 228, 232, 118, 780, 122, 248, 392, 1093, 260, 528, 134, 442, 276]

cp's OEIS Frontend

A349129 a(n) = Sum_{d|n} A003958(d) * A003959(n/d), where A003958 is fully multiplicative with a(p) = (p-1), and A003959 is fully multiplicative with a(p) = (p+1).

Table of values

List of values