A163572 - cp's OEIS frontend

A163572 G.f.: A(x) = exp( Sum_{n>=1} (1 + 2A006519(n)x)^n * x^n/n ) where A006519(n) is the highest power of 2 dividing n.

n	a(n)
0	1
1	1
2	3
3	7
4	19
5	39
6	169
7	765
8	2183
9	4131
10	11561
11	55157
12	666381
13	8175433
14	68536455
15	355280675
16	1048740623
17	1931107235
18	5055100985
19	13108206741
20	38734589993
21	143320957605
22	1022112572635
23	26523801989399
24	914332703582521

[1, 1, 3, 7, 19, 39, 169, 765, 2183, 4131, 11561, 55157, 666381, 8175433, 68536455, 355280675, 1048740623, 1931107235, 5055100985, 13108206741, 38734589993, 143320957605, 1022112572635, 26523801989399, 914332703582521]

cp's OEIS Frontend

A163572 G.f.: A(x) = exp( Sum_{n>=1} (1 + 2A006519(n)x)^n * x^n/n ) where A006519(n) is the highest power of 2 dividing n.

Table of values

List of values

cp's OEIS Frontend

A163572 G.f.: A(x) = exp( Sum_{n>=1} (1 + 2*A006519(n)*x)^n * x^n/n ) where A006519(n) is the highest power of 2 dividing n.

Table of values

List of values

A163572 G.f.: A(x) = exp( Sum_{n>=1} (1 + 2A006519(n)x)^n * x^n/n ) where A006519(n) is the highest power of 2 dividing n.