A309323 - cp's OEIS frontend

A309323 Expansion of Sum_{k>=1} phi(k) * x^k/(1 - x^k)^4, where phi = Euler totient function (A000010).

n	a(n)
1	1
2	5
3	12
4	26
5	39
6	76
7	90
8	152
9	191
10	275
11	296
12	492
13	467
14	674
15	798
16	1000
17	985
18	1467
19	1348
20	1934
21	2011
22	2360
23	2322
24	3420
25	3085
26	3791
27	4062
28	4944
29	4523
30	6454
31	5486
32	7168
33	7237
34	8189
35	8340
36	10942
37	9175
38	11300
39	11714
40	14208
41	12381
42	16759
43	14232
44	18036
45	18549
46	19706
47	18470

[1, 5, 12, 26, 39, 76, 90, 152, 191, 275, 296, 492, 467, 674, 798, 1000, 985, 1467, 1348, 1934, 2011, 2360, 2322, 3420, 3085, 3791, 4062, 4944, 4523, 6454, 5486, 7168, 7237, 8189, 8340, 10942, 9175, 11300, 11714, 14208, 12381, 16759, 14232, 18036, 18549, 19706, 18470]

cp's OEIS Frontend

A309323 Expansion of Sum_{k>=1} phi(k) * x^k/(1 - x^k)^4, where phi = Euler totient function (A000010).

Table of values

List of values