A098557 - cp's OEIS frontend

A098557 Expansion of e.g.f. (1/2)(1+x)log((1+x)/(1-x)).

n	a(n)
0	0
1	1
2	2
3	2
4	8
5	24
6	144
7	720
8	5760
9	40320
10	403200
11	3628800
12	43545600
13	479001600
14	6706022400
15	87178291200
16	1394852659200
17	20922789888000
18	376610217984000
19	6402373705728000
20	128047474114560000
21	2432902008176640000
22	53523844179886080000
23	1124000727777607680000

[0, 1, 2, 2, 8, 24, 144, 720, 5760, 40320, 403200, 3628800, 43545600, 479001600, 6706022400, 87178291200, 1394852659200, 20922789888000, 376610217984000, 6402373705728000, 128047474114560000, 2432902008176640000, 53523844179886080000, 1124000727777607680000]

cp's OEIS Frontend

A098557 Expansion of e.g.f. (1/2)(1+x)log((1+x)/(1-x)).

Table of values

List of values

cp's OEIS Frontend

A098557 Expansion of e.g.f. (1/2)*(1+x)*log((1+x)/(1-x)).

Table of values

List of values

A098557 Expansion of e.g.f. (1/2)(1+x)log((1+x)/(1-x)).