A280197 - cp's OEIS frontend

A280197 Expansion of 1/(1 - Sum_{k>=2} 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	3
6	3
7	6
8	8
9	12
10	20
11	28
12	45
13	68
14	102
15	159
16	238
17	367
18	557
19	849
20	1298
21	1973
22	3015
23	4592
24	7002
25	10679
26	16276
27	24822
28	37841
29	57696
30	87971
31	134119
32	204497
33	311783
34	475370
35	724786
36	1105053
37	1684853
38	2568837
39	3916642
40	5971587
41	9104711
42	13881698
43	21165024
44	32269721
45	49200718
46	75014949
47	114373158
48	174381511

[1, 0, 1, 1, 1, 3, 3, 6, 8, 12, 20, 28, 45, 68, 102, 159, 238, 367, 557, 849, 1298, 1973, 3015, 4592, 7002, 10679, 16276, 24822, 37841, 57696, 87971, 134119, 204497, 311783, 475370, 724786, 1105053, 1684853, 2568837, 3916642, 5971587, 9104711, 13881698, 21165024, 32269721, 49200718, 75014949, 114373158, 174381511]

cp's OEIS Frontend

A280197 Expansion of 1/(1 - Sum_{k>=2} mu(k)^2*x^k), where mu(k) is the Moebius function (A008683).

Table of values

List of values