A281667 - cp's OEIS frontend

A281667 Expansion of Sum_{i>=1} mu(i)^2x^i/(1 + x^i) Product_{j>=1} (1 + mu(j)^2*x^j), where mu() is the Moebius function (A008683).

n	a(n)
1	1
2	1
3	3
4	2
5	3
6	6
7	5
8	9
9	10
10	12
11	15
12	16
13	20
14	24
15	27
16	38
17	41
18	48
19	56
20	62
21	78
22	88
23	101
24	120
25	131
26	149
27	174
28	189
29	221
30	243
31	278
32	318
33	349
34	394
35	444
36	491
37	556
38	622
39	693
40	773
41	849
42	953
43	1048
44	1158
45	1292
46	1422
47	1568
48	1735
49	1901
50	2101
51	2307
52	2534
53	2795
54	3060
55	3357
56	3681
57	4024
58	4404
59	4809
60	5245
61	5734
62	6242
63	6805
64	7418

[1, 1, 3, 2, 3, 6, 5, 9, 10, 12, 15, 16, 20, 24, 27, 38, 41, 48, 56, 62, 78, 88, 101, 120, 131, 149, 174, 189, 221, 243, 278, 318, 349, 394, 444, 491, 556, 622, 693, 773, 849, 953, 1048, 1158, 1292, 1422, 1568, 1735, 1901, 2101, 2307, 2534, 2795, 3060, 3357, 3681, 4024, 4404, 4809, 5245, 5734, 6242, 6805, 7418]

cp's OEIS Frontend

A281667 Expansion of Sum_{i>=1} mu(i)^2x^i/(1 + x^i) Product_{j>=1} (1 + mu(j)^2*x^j), where mu() is the Moebius function (A008683).

Table of values

List of values

cp's OEIS Frontend

A281667 Expansion of Sum_{i>=1} mu(i)^2*x^i/(1 + x^i) * Product_{j>=1} (1 + mu(j)^2*x^j), where mu() is the Moebius function (A008683).

Table of values

List of values

A281667 Expansion of Sum_{i>=1} mu(i)^2x^i/(1 + x^i) Product_{j>=1} (1 + mu(j)^2*x^j), where mu() is the Moebius function (A008683).