A174466 - cp's OEIS frontend

A174466 a(n) = Sum_{d|n} dsigma(n/d)tau(d).

n	a(n)
1	1
2	7
3	10
4	31
5	16
6	70
7	22
8	111
9	64
10	112
11	34
12	310
13	40
14	154
15	160
16	351
17	52
18	448
19	58
20	496
21	220
22	238
23	70
24	1110
25	166
26	280
27	334
28	682
29	88
30	1120
31	94
32	1023
33	340
34	364
35	352
36	1984
37	112
38	406
39	400
40	1776
41	124
42	1540
43	130
44	1054
45	1024
46	490
47	142
48	3510
49	316
50	1162
51	520
52	1240

[1, 7, 10, 31, 16, 70, 22, 111, 64, 112, 34, 310, 40, 154, 160, 351, 52, 448, 58, 496, 220, 238, 70, 1110, 166, 280, 334, 682, 88, 1120, 94, 1023, 340, 364, 352, 1984, 112, 406, 400, 1776, 124, 1540, 130, 1054, 1024, 490, 142, 3510, 316, 1162, 520, 1240]

cp's OEIS Frontend

A174466 a(n) = Sum_{d|n} dsigma(n/d)tau(d).

Table of values

List of values

cp's OEIS Frontend

A174466 a(n) = Sum_{d|n} d*sigma(n/d)*tau(d).

Table of values

List of values

A174466 a(n) = Sum_{d|n} dsigma(n/d)tau(d).