A305353 - cp's OEIS frontend

A305353 Expansion of Product_{k>=1} (1 - x^phi(k)), where phi is Euler's totient function.

n	a(n)
0	1
1	-2
2	-2
3	6
4	-4
5	2
6	6
7	-14
8	8
9	-2
10	4
11	-6
12	-16
13	38
14	-22
15	6
16	2
17	-10
18	2
19	6
20	60
21	-126
22	28
23	70
24	-38
25	6
26	-38
27	70
28	-54
29	38
30	18
31	-74
32	-70
33	214
34	106
35	-426
36	186
37	54
38	-26
39	-2
40	-92
41	186
42	-218
43	250
44	-66
45	-118
46	-104
47	326
48	466
49	-1258
50	500
51	258
52	-254
53	250
54	-368
55	486
56	-342
57	198

[1, -2, -2, 6, -4, 2, 6, -14, 8, -2, 4, -6, -16, 38, -22, 6, 2, -10, 2, 6, 60, -126, 28, 70, -38, 6, -38, 70, -54, 38, 18, -74, -70, 214, 106, -426, 186, 54, -26, -2, -92, 186, -218, 250, -66, -118, -104, 326, 466, -1258, 500, 258, -254, 250, -368, 486, -342, 198]

cp's OEIS Frontend

A305353 Expansion of Product_{k>=1} (1 - x^phi(k)), where phi is Euler's totient function.

Table of values

List of values