A187001 - cp's OEIS frontend

A187001 G.f. satisfies: A(x) = Sum_{n>=0} x^n[Sum_{k=0..n} C(n,k)^3 x^k* A(x)^(3k)].

n	a(n)
0	1
1	1
2	2
3	12
4	62
5	300
6	1635
7	9413
8	54505
9	321655
10	1938621
11	11834305
12	72975115
13	454385175
14	2852742151
15	18034439209
16	114709370133
17	733605250447
18	4714351916849
19	30426720332601
20	197141722168571
21	1281835943761551

[1, 1, 2, 12, 62, 300, 1635, 9413, 54505, 321655, 1938621, 11834305, 72975115, 454385175, 2852742151, 18034439209, 114709370133, 733605250447, 4714351916849, 30426720332601, 197141722168571, 1281835943761551]

cp's OEIS Frontend

A187001 G.f. satisfies: A(x) = Sum_{n>=0} x^n[Sum_{k=0..n} C(n,k)^3 x^k* A(x)^(3k)].

Table of values

List of values

cp's OEIS Frontend

A187001 G.f. satisfies: A(x) = Sum_{n>=0} x^n*[Sum_{k=0..n} C(n,k)^3 *x^k* A(x)^(3k)].

Table of values

List of values

A187001 G.f. satisfies: A(x) = Sum_{n>=0} x^n[Sum_{k=0..n} C(n,k)^3 x^k* A(x)^(3k)].