A386624 - cp's OEIS frontend

A386624 a(n) = Sum_{d|n} sigma(d) * phi(d) * mu(n/d).

n	a(n)
1	1
2	2
3	7
4	11
5	23
6	14
7	47
8	46
9	70
10	46
11	119
12	77
13	167
14	94
15	161
16	188
17	287
18	140
19	359
20	253
21	329
22	238
23	527
24	322
25	596
26	334
27	642
28	517
29	839
30	322
31	959
32	760
33	833
34	574
35	1081
36	770
37	1367
38	718
39	1169
40	1058
41	1679
42	658
43	1847
44	1309
45	1610
46	1054
47	2207
48	1316
49	2346
50	1192
51	2009
52	1837
53	2807
54	1284
55	2737
56	2162
57	2513
58	1678
59	3479
60	1771
61	3719
62	1918
63	3290
64	3056
65	3841
66	1666
67	4487
68	3157
69	3689

[1, 2, 7, 11, 23, 14, 47, 46, 70, 46, 119, 77, 167, 94, 161, 188, 287, 140, 359, 253, 329, 238, 527, 322, 596, 334, 642, 517, 839, 322, 959, 760, 833, 574, 1081, 770, 1367, 718, 1169, 1058, 1679, 658, 1847, 1309, 1610, 1054, 2207, 1316, 2346, 1192, 2009, 1837, 2807, 1284, 2737, 2162, 2513, 1678, 3479, 1771, 3719, 1918, 3290, 3056, 3841, 1666, 4487, 3157, 3689]

cp's OEIS Frontend

A386624 a(n) = Sum_{d|n} sigma(d) * phi(d) * mu(n/d).

Table of values

List of values