A187000 - cp's OEIS frontend

A187000 G.f. satisfies: A(x) = Sum_{n>=0} x^n[Sum_{k=0..n} C(n,k)^3 x^k* A(x)^(2k)].

n	a(n)
0	1
1	1
2	2
3	11
4	50
5	216
6	1062
7	5457
8	28088
9	147686
10	792716
11	4303036
12	23587816
13	130552984
14	728316462
15	4090107939
16	23106799662
17	131234374020
18	748839982332
19	4290960328482
20	24681334371228
21	142454368143300
22	824786385860748

[1, 1, 2, 11, 50, 216, 1062, 5457, 28088, 147686, 792716, 4303036, 23587816, 130552984, 728316462, 4090107939, 23106799662, 131234374020, 748839982332, 4290960328482, 24681334371228, 142454368143300, 824786385860748]

cp's OEIS Frontend

A187000 G.f. satisfies: A(x) = Sum_{n>=0} x^n[Sum_{k=0..n} C(n,k)^3 x^k* A(x)^(2k)].

Table of values

List of values

cp's OEIS Frontend

A187000 G.f. satisfies: A(x) = Sum_{n>=0} x^n*[Sum_{k=0..n} C(n,k)^3 *x^k* A(x)^(2k)].

Table of values

List of values

A187000 G.f. satisfies: A(x) = Sum_{n>=0} x^n[Sum_{k=0..n} C(n,k)^3 x^k* A(x)^(2k)].