A308447 - cp's OEIS frontend

A308447 Expansion of Sum_{k>=1} mu(k)log(1 + x^k/((1 - x^k)(1 - 2*x^k)))/k.

n	a(n)
1	1
2	2
3	4
4	5
5	8
6	8
7	16
8	25
9	52
10	98
11	192
12	345
13	640
14	1162
15	2164
16	4050
17	7680
18	14534
19	27648
20	52479
21	99956
22	190554
23	364544
24	698525
25	1341848
26	2580790
27	4971616
28	9587565
29	18513920
30	35790276
31	69271552
32	134211600
33	260297012
34	505286430
35	981714296
36	1908881520
37	3714580480
38	7233615306

[1, 2, 4, 5, 8, 8, 16, 25, 52, 98, 192, 345, 640, 1162, 2164, 4050, 7680, 14534, 27648, 52479, 99956, 190554, 364544, 698525, 1341848, 2580790, 4971616, 9587565, 18513920, 35790276, 69271552, 134211600, 260297012, 505286430, 981714296, 1908881520, 3714580480, 7233615306]

cp's OEIS Frontend

A308447 Expansion of Sum_{k>=1} mu(k)log(1 + x^k/((1 - x^k)(1 - 2*x^k)))/k.

Table of values

List of values

cp's OEIS Frontend

A308447 Expansion of Sum_{k>=1} mu(k)*log(1 + x^k/((1 - x^k)*(1 - 2*x^k)))/k.

Table of values

List of values

A308447 Expansion of Sum_{k>=1} mu(k)log(1 + x^k/((1 - x^k)(1 - 2*x^k)))/k.