A162581 - cp's OEIS frontend

A162581 G.f.: A(x) = exp( 2Sum_{n>=1} A006519(n)^2 x^n/n ), where A006519(n) = highest power of 2 dividing n.

n	a(n)
0	1
1	2
2	6
3	10
4	26
5	42
6	86
7	130
8	258
9	386
10	694
11	1002
12	1754
13	2506
14	4134
15	5762
16	9346
17	12930
18	20198
19	27466
20	42330
21	57194
22	85750
23	114306
24	169602
25	224898
26	326934
27	428970
28	618138
29	807306
30	1144390
31	1481474
32	2084610
33	2687746
34	3732422
35	4777098
36	6591386

[1, 2, 6, 10, 26, 42, 86, 130, 258, 386, 694, 1002, 1754, 2506, 4134, 5762, 9346, 12930, 20198, 27466, 42330, 57194, 85750, 114306, 169602, 224898, 326934, 428970, 618138, 807306, 1144390, 1481474, 2084610, 2687746, 3732422, 4777098, 6591386]

cp's OEIS Frontend

A162581 G.f.: A(x) = exp( 2Sum_{n>=1} A006519(n)^2 x^n/n ), where A006519(n) = highest power of 2 dividing n.

Table of values

List of values

cp's OEIS Frontend

A162581 G.f.: A(x) = exp( 2*Sum_{n>=1} A006519(n)^2 * x^n/n ), where A006519(n) = highest power of 2 dividing n.

Table of values

List of values

A162581 G.f.: A(x) = exp( 2Sum_{n>=1} A006519(n)^2 x^n/n ), where A006519(n) = highest power of 2 dividing n.