A281812 - cp's OEIS frontend

A281812 Expansion of Sum_{i>=1} mu(i)^2x^i / (1 - Sum_{j>=1} mu(j)^2x^j)^2, where mu() is the Moebius function (A008683).

n	a(n)
1	1
2	3
3	8
4	19
5	44
6	99
7	218
8	473
9	1012
10	2144
11	4504
12	9395
13	19482
14	40189
15	82534
16	168829
17	344145
18	699334
19	1417146
20	2864510
21	5776889
22	11626101
23	23353272
24	46827677
25	93747221
26	187399328
27	374092162
28	745817021
29	1485138398
30	2954041789
31	5869650947
32	11651500427
33	23107388495
34	45787040997
35	90652188078
36	179340159228

[1, 3, 8, 19, 44, 99, 218, 473, 1012, 2144, 4504, 9395, 19482, 40189, 82534, 168829, 344145, 699334, 1417146, 2864510, 5776889, 11626101, 23353272, 46827677, 93747221, 187399328, 374092162, 745817021, 1485138398, 2954041789, 5869650947, 11651500427, 23107388495, 45787040997, 90652188078, 179340159228]

cp's OEIS Frontend

A281812 Expansion of Sum_{i>=1} mu(i)^2x^i / (1 - Sum_{j>=1} mu(j)^2x^j)^2, where mu() is the Moebius function (A008683).

Table of values

List of values

cp's OEIS Frontend

A281812 Expansion of Sum_{i>=1} mu(i)^2*x^i / (1 - Sum_{j>=1} mu(j)^2*x^j)^2, where mu() is the Moebius function (A008683).

Table of values

List of values

A281812 Expansion of Sum_{i>=1} mu(i)^2x^i / (1 - Sum_{j>=1} mu(j)^2x^j)^2, where mu() is the Moebius function (A008683).