A280127 - cp's OEIS frontend

A280127 Expansion of Product_{k>=2} 1/(1 - mu(k)^2*x^k), where mu(k) is the Moebius function (A008683).

n	a(n)
0	1
1	0
2	1
3	1
4	1
5	2
6	3
7	3
8	4
9	5
10	7
11	8
12	11
13	13
14	16
15	20
16	24
17	30
18	35
19	43
20	52
21	62
22	74
23	88
24	104
25	123
26	146
27	171
28	201
29	235
30	275
31	320
32	373
33	433
34	502
35	581
36	672
37	773
38	891
39	1024
40	1176
41	1348
42	1543
43	1764
44	2013
45	2296
46	2614
47	2974
48	3378
49	3833
50	4345
51	4920
52	5565
53	6288
54	7098
55	8005

[1, 0, 1, 1, 1, 2, 3, 3, 4, 5, 7, 8, 11, 13, 16, 20, 24, 30, 35, 43, 52, 62, 74, 88, 104, 123, 146, 171, 201, 235, 275, 320, 373, 433, 502, 581, 672, 773, 891, 1024, 1176, 1348, 1543, 1764, 2013, 2296, 2614, 2974, 3378, 3833, 4345, 4920, 5565, 6288, 7098, 8005]

cp's OEIS Frontend

A280127 Expansion of Product_{k>=2} 1/(1 - mu(k)^2*x^k), where mu(k) is the Moebius function (A008683).

Table of values

List of values