A187738 - cp's OEIS frontend

A187738 G.f.: Sum_{n>=0} (3n+1)^n x^n / (1 + (3n+1)x)^n.

n	a(n)
0	1
1	4
2	33
3	378
4	5508
5	97200
6	2012040
7	47764080
8	1278607680
9	38093690880
10	1249949232000
11	44783895340800
12	1739500776921600
13	72804471541401600
14	3266273336880153600
15	156364149105964800000
16	7955807906511489024000
17	428712969452770050048000
18	24390705726366524633088000

[1, 4, 33, 378, 5508, 97200, 2012040, 47764080, 1278607680, 38093690880, 1249949232000, 44783895340800, 1739500776921600, 72804471541401600, 3266273336880153600, 156364149105964800000, 7955807906511489024000, 428712969452770050048000, 24390705726366524633088000]

cp's OEIS Frontend

A187738 G.f.: Sum_{n>=0} (3n+1)^n x^n / (1 + (3n+1)x)^n.

Table of values

List of values

cp's OEIS Frontend

A187738 G.f.: Sum_{n>=0} (3*n+1)^n * x^n / (1 + (3*n+1)*x)^n.

Table of values

List of values

A187738 G.f.: Sum_{n>=0} (3n+1)^n x^n / (1 + (3n+1)x)^n.