A322544 - cp's OEIS frontend

A322544 a(n) is the reciprocal of the coefficient of x^n in the power series defined by ((1+2x)exp(x) + 3exp(-x) - 4)/ (4x^2).

n	a(n)
0	1
1	6
2	8
3	60
4	180
5	1680
6	8064
7	90720
8	604800
9	7983360
10	68428800
11	1037836800
12	10897286400
13	186810624000
14	2324754432000
15	44460928512000
16	640237370572800
17	13516122267648000
18	221172909834240000
19	5109094217170944000
20	93666727314800640000
21	2350183339898634240000
22	47726800133326110720000

[1, 6, 8, 60, 180, 1680, 8064, 90720, 604800, 7983360, 68428800, 1037836800, 10897286400, 186810624000, 2324754432000, 44460928512000, 640237370572800, 13516122267648000, 221172909834240000, 5109094217170944000, 93666727314800640000, 2350183339898634240000, 47726800133326110720000]

cp's OEIS Frontend

A322544 a(n) is the reciprocal of the coefficient of x^n in the power series defined by ((1+2x)exp(x) + 3exp(-x) - 4)/ (4x^2).

Table of values

List of values

cp's OEIS Frontend

A322544 a(n) is the reciprocal of the coefficient of x^n in the power series defined by ((1+2x)*exp(x) + 3*exp(-x) - 4)/ (4x^2).

Table of values

List of values

A322544 a(n) is the reciprocal of the coefficient of x^n in the power series defined by ((1+2x)exp(x) + 3exp(-x) - 4)/ (4x^2).