A205491 - cp's OEIS frontend

A205491 L.g.f.: Sum_{n>=1} (x^n/n) / Product_{d|n} (1 - d*x^d)^n.

n	a(n)
1	1
2	3
3	7
4	23
5	51
6	165
7	386
8	1039
9	2554
10	6963
11	17260
12	47825
13	124840
14	340658
15	911037
16	2484687
17	6614616
18	17735646
19	46647167
20	122536323
21	318125129
22	825153684
23	2130076369
24	5522611009
25	14375957026
26	37817347272
27	100579846732
28	271246531726
29	740731197176

[1, 3, 7, 23, 51, 165, 386, 1039, 2554, 6963, 17260, 47825, 124840, 340658, 911037, 2484687, 6614616, 17735646, 46647167, 122536323, 318125129, 825153684, 2130076369, 5522611009, 14375957026, 37817347272, 100579846732, 271246531726, 740731197176]

cp's OEIS Frontend

A205491 L.g.f.: Sum_{n>=1} (x^n/n) / Product_{d|n} (1 - d*x^d)^n.

Table of values

List of values