A061258 - cp's OEIS frontend

A061258 a(n) = Sum_{d|n} d*psi(d), where psi(d) is reduced totient function, cf. A002322.

n	a(n)
1	1
2	3
3	7
4	11
5	21
6	21
7	43
8	27
9	61
10	63
11	111
12	53
13	157
14	129
15	87
16	91
17	273
18	183
19	343
20	151
21	175
22	333
23	507
24	117
25	521
26	471
27	547
28	305
29	813
30	261
31	931
32	347
33	447
34	819
35	483
36	431
37	1333
38	1029
39	631
40	327
41	1641
42	525
43	1807
44	781
45	681
46	1521
47	2163
48	373
49	2101
50	1563
51	1095
52	1103
53	2757

[1, 3, 7, 11, 21, 21, 43, 27, 61, 63, 111, 53, 157, 129, 87, 91, 273, 183, 343, 151, 175, 333, 507, 117, 521, 471, 547, 305, 813, 261, 931, 347, 447, 819, 483, 431, 1333, 1029, 631, 327, 1641, 525, 1807, 781, 681, 1521, 2163, 373, 2101, 1563, 1095, 1103, 2757]

cp's OEIS Frontend

A061258 a(n) = Sum_{d|n} d*psi(d), where psi(d) is reduced totient function, cf. A002322.

Table of values

List of values