A326325 - cp's OEIS frontend

A326325 a(n) = 2^nn!([z^n] exp(xz)tanh(z))(1/2).

n	a(n)
0	0
1	2
2	4
3	-10
4	-56
5	362
6	2764
7	-24610
8	-250736
9	2873042
10	36581524
11	-512343610
12	-7828053416
13	129570724922
14	2309644635484
15	-44110959165010
16	-898621108880096
17	19450718635716002
18	445777636063460644
19	-10784052561125704810
20	-274613643571568682776
21	7342627959965776406282

[0, 2, 4, -10, -56, 362, 2764, -24610, -250736, 2873042, 36581524, -512343610, -7828053416, 129570724922, 2309644635484, -44110959165010, -898621108880096, 19450718635716002, 445777636063460644, -10784052561125704810, -274613643571568682776, 7342627959965776406282]

cp's OEIS Frontend

A326325 a(n) = 2^nn!([z^n] exp(xz)tanh(z))(1/2).

Table of values

List of values

cp's OEIS Frontend

A326325 a(n) = 2^n*n!*([z^n] exp(x*z)*tanh(z))(1/2).

Table of values

List of values

A326325 a(n) = 2^nn!([z^n] exp(xz)tanh(z))(1/2).