A156171 - cp's OEIS frontend

A156171 G.f.: A(x) = exp( Sum_{n>=1} x^n/(1 - 2^n*x)^n / n ), a power series in x with integer coefficients.

n	a(n)
0	1
1	1
2	3
3	11
4	53
5	357
6	3521
7	51665
8	1122135
9	35638903
10	1639453459
11	108526044099
12	10298220348807
13	1396920580458279
14	270394562069007327
15	74574294532698008703
16	29276455806256470979269
17	16344863466384180848085765
18	12969208162308705691408055345
19	14616452655308018025267503353697

[1, 1, 3, 11, 53, 357, 3521, 51665, 1122135, 35638903, 1639453459, 108526044099, 10298220348807, 1396920580458279, 270394562069007327, 74574294532698008703, 29276455806256470979269, 16344863466384180848085765, 12969208162308705691408055345, 14616452655308018025267503353697]

cp's OEIS Frontend

A156171 G.f.: A(x) = exp( Sum_{n>=1} x^n/(1 - 2^n*x)^n / n ), a power series in x with integer coefficients.

Table of values

List of values