A174932 - cp's OEIS frontend

A174932 a(n) = Sum_{d|n} A007955(d) * A000027(n/d) = Sum_{d|n} A007955(d) * (n/d), where A007955(m) = product of divisors of m.

n	a(n)
1	1
2	4
3	6
4	16
5	10
6	54
7	14
8	96
9	45
10	130
11	22
12	1860
13	26
14	238
15	270
16	1216
17	34
18	6048
19	38
20	8300
21	504
22	550
23	46
24	335688
25	175
26	754
27	864
28	22484
29	58
30	811050
31	62
32	35200
33	1188
34	1258
35	1330
36	10095048
37	74
38	1558
39	1638
40	2576920
41	82
42	3113586
43	86
44	86372
45	92070
46	2254
47	94
48	255478416

[1, 4, 6, 16, 10, 54, 14, 96, 45, 130, 22, 1860, 26, 238, 270, 1216, 34, 6048, 38, 8300, 504, 550, 46, 335688, 175, 754, 864, 22484, 58, 811050, 62, 35200, 1188, 1258, 1330, 10095048, 74, 1558, 1638, 2576920, 82, 3113586, 86, 86372, 92070, 2254, 94, 255478416]

cp's OEIS Frontend

A174932 a(n) = Sum_{d|n} A007955(d) * A000027(n/d) = Sum_{d|n} A007955(d) * (n/d), where A007955(m) = product of divisors of m.

Table of values

List of values