A078747 - cp's OEIS frontend

A078747 Expansion of Sum_{k>0} kphi(k)x^k/(1+x^k).

n	a(n)
1	1
2	1
3	7
4	5
5	21
6	7
7	43
8	21
9	61
10	21
11	111
12	35
13	157
14	43
15	147
16	85
17	273
18	61
19	343
20	105
21	301
22	111
23	507
24	147
25	521
26	157
27	547
28	215
29	813
30	147
31	931
32	341
33	777
34	273
35	903
36	305
37	1333
38	343
39	1099
40	441
41	1641
42	301
43	1807
44	555
45	1281
46	507
47	2163
48	595
49	2101
50	521
51	1911
52	785
53	2757
54	547

[1, 1, 7, 5, 21, 7, 43, 21, 61, 21, 111, 35, 157, 43, 147, 85, 273, 61, 343, 105, 301, 111, 507, 147, 521, 157, 547, 215, 813, 147, 931, 341, 777, 273, 903, 305, 1333, 343, 1099, 441, 1641, 301, 1807, 555, 1281, 507, 2163, 595, 2101, 521, 1911, 785, 2757, 547]

cp's OEIS Frontend

A078747 Expansion of Sum_{k>0} kphi(k)x^k/(1+x^k).

Table of values

List of values

cp's OEIS Frontend

A078747 Expansion of Sum_{k>0} k*phi(k)*x^k/(1+x^k).

Table of values

List of values

A078747 Expansion of Sum_{k>0} kphi(k)x^k/(1+x^k).