A196556 - cp's OEIS frontend

A196556 O.g.f.: Sum_{n>=0} 3(n+3)^(n-1) x^n / Product_{k=1..n} (1+k*x).

n	a(n)
0	1
1	3
2	12
3	66
4	483
5	4476
6	50454
7	671649
8	10328118
9	180341094
10	3527385345
11	76435691250
12	1818255212490
13	47118807865863
14	1321527658352016
15	39889359465259446
16	1289471521115731611
17	44450463108654209136
18	1627806562174453037802

[1, 3, 12, 66, 483, 4476, 50454, 671649, 10328118, 180341094, 3527385345, 76435691250, 1818255212490, 47118807865863, 1321527658352016, 39889359465259446, 1289471521115731611, 44450463108654209136, 1627806562174453037802]

cp's OEIS Frontend

A196556 O.g.f.: Sum_{n>=0} 3(n+3)^(n-1) x^n / Product_{k=1..n} (1+k*x).

Table of values

List of values

cp's OEIS Frontend

A196556 O.g.f.: Sum_{n>=0} 3*(n+3)^(n-1) * x^n / Product_{k=1..n} (1+k*x).

Table of values

List of values

A196556 O.g.f.: Sum_{n>=0} 3(n+3)^(n-1) x^n / Product_{k=1..n} (1+k*x).