A221161 - cp's OEIS frontend

A221161 G.f.: Sum_{n>=0} (4n+3)^n x^n / (1 + (4n+3)x)^n.

n	a(n)
0	1
1	7
2	72
3	1056
4	19968
5	460800
6	12533760
7	392232960
8	13872660480
9	546979184640
10	23781703680000
11	1130106558873600
12	58263271479705600
13	3238634262940876800
14	193064390900475494400
15	12285915784575713280000
16	831229959367865401344000
17	59578968979556190388224000

[1, 7, 72, 1056, 19968, 460800, 12533760, 392232960, 13872660480, 546979184640, 23781703680000, 1130106558873600, 58263271479705600, 3238634262940876800, 193064390900475494400, 12285915784575713280000, 831229959367865401344000, 59578968979556190388224000]

cp's OEIS Frontend

A221161 G.f.: Sum_{n>=0} (4n+3)^n x^n / (1 + (4n+3)x)^n.

Table of values

List of values

cp's OEIS Frontend

A221161 G.f.: Sum_{n>=0} (4*n+3)^n * x^n / (1 + (4*n+3)*x)^n.

Table of values

List of values

A221161 G.f.: Sum_{n>=0} (4n+3)^n x^n / (1 + (4n+3)x)^n.