A123227 - cp's OEIS frontend

A123227 Expansion of e.g.f.: 2exp(2x) / (3 - exp(2*x)).

n	a(n)
0	1
1	3
2	12
3	66
4	480
5	4368
6	47712
7	608016
8	8855040
9	145083648
10	2641216512
11	52891055616
12	1155444326400
13	27344999497728
14	696933753434112
15	19031293222127616
16	554336947975618560
17	17155693983744196608
18	562168282464340672512
19	19444889661250162262016

[1, 3, 12, 66, 480, 4368, 47712, 608016, 8855040, 145083648, 2641216512, 52891055616, 1155444326400, 27344999497728, 696933753434112, 19031293222127616, 554336947975618560, 17155693983744196608, 562168282464340672512, 19444889661250162262016]

cp's OEIS Frontend

A123227 Expansion of e.g.f.: 2exp(2x) / (3 - exp(2*x)).

Table of values

List of values

cp's OEIS Frontend

A123227 Expansion of e.g.f.: 2*exp(2*x) / (3 - exp(2*x)).

Table of values

List of values

A123227 Expansion of e.g.f.: 2exp(2x) / (3 - exp(2*x)).