A284942 - cp's OEIS frontend

A284942 Expansion of Sum_{k>=1} mu(k)^2x^k(1 - x)^2/(1 - 2*x)^2, where mu() is the Moebius function (A008683).

n	a(n)
1	1
2	3
3	8
4	19
5	46
6	107
7	244
8	547
9	1213
10	2665
11	5807
12	12567
13	27042
14	57899
15	123428
16	262115
17	554750
18	1170538
19	2463154
20	5170462
21	10829234
22	22635087
23	47223412
24	98353299
25	204519549
26	424665001
27	880581806
28	1823667221
29	3772341661
30	7794697759
31	16089424392
32	33178906531
33	68357928558

[1, 3, 8, 19, 46, 107, 244, 547, 1213, 2665, 5807, 12567, 27042, 57899, 123428, 262115, 554750, 1170538, 2463154, 5170462, 10829234, 22635087, 47223412, 98353299, 204519549, 424665001, 880581806, 1823667221, 3772341661, 7794697759, 16089424392, 33178906531, 68357928558]

cp's OEIS Frontend

A284942 Expansion of Sum_{k>=1} mu(k)^2x^k(1 - x)^2/(1 - 2*x)^2, where mu() is the Moebius function (A008683).

Table of values

List of values

cp's OEIS Frontend

A284942 Expansion of Sum_{k>=1} mu(k)^2*x^k*(1 - x)^2/(1 - 2*x)^2, where mu() is the Moebius function (A008683).

Table of values

List of values

A284942 Expansion of Sum_{k>=1} mu(k)^2x^k(1 - x)^2/(1 - 2*x)^2, where mu() is the Moebius function (A008683).