A162584 - cp's OEIS frontend

A162584 G.f.: A(x) = exp( 2Sum_{n>=1} sigma(n)A006519(n) * x^n/n ), where A006519(n) = highest power of 2 dividing n.

n	a(n)
0	1
1	2
2	8
3	16
4	50
5	96
6	240
7	448
8	1024
9	1858
10	3888
11	6896
12	13696
13	23776
14	44960
15	76608
16	139970
17	234432
18	414904
19	684336
20	1181568
21	1921472
22	3242928
23	5206208
24	8623104
25	13679490
26	22268752
27	34941120
28	56039936
29	87036576
30	137686048
31	211822976

[1, 2, 8, 16, 50, 96, 240, 448, 1024, 1858, 3888, 6896, 13696, 23776, 44960, 76608, 139970, 234432, 414904, 684336, 1181568, 1921472, 3242928, 5206208, 8623104, 13679490, 22268752, 34941120, 56039936, 87036576, 137686048, 211822976]

cp's OEIS Frontend

A162584 G.f.: A(x) = exp( 2Sum_{n>=1} sigma(n)A006519(n) * x^n/n ), where A006519(n) = highest power of 2 dividing n.

Table of values

List of values

cp's OEIS Frontend

A162584 G.f.: A(x) = exp( 2*Sum_{n>=1} sigma(n)*A006519(n) * x^n/n ), where A006519(n) = highest power of 2 dividing n.

Table of values

List of values

A162584 G.f.: A(x) = exp( 2Sum_{n>=1} sigma(n)A006519(n) * x^n/n ), where A006519(n) = highest power of 2 dividing n.