A187814 - cp's OEIS frontend

A187814 G.f. A(x) satisfies: 1/A(x)^2 + 4xA(x)^2 = 1/A(x^2) + 2xA(x^2).

n	a(n)
0	1
1	1
2	6
3	41
4	334
5	2901
6	26651
7	253709
8	2483395
9	24829132
10	252506507
11	2603798287
12	27161758393
13	286118173600
14	3039211373800
15	32517513415886
16	350122302629869
17	3790909121211262
18	41249405668333107
19	450832515809731316
20	4947009705400704588
21	54479711308604703264
22	601933495810972446631

[1, 1, 6, 41, 334, 2901, 26651, 253709, 2483395, 24829132, 252506507, 2603798287, 27161758393, 286118173600, 3039211373800, 32517513415886, 350122302629869, 3790909121211262, 41249405668333107, 450832515809731316, 4947009705400704588, 54479711308604703264, 601933495810972446631]

cp's OEIS Frontend

A187814 G.f. A(x) satisfies: 1/A(x)^2 + 4xA(x)^2 = 1/A(x^2) + 2xA(x^2).

Table of values

List of values

cp's OEIS Frontend

A187814 G.f. A(x) satisfies: 1/A(x)^2 + 4*x*A(x)^2 = 1/A(x^2) + 2*x*A(x^2).

Table of values

List of values

A187814 G.f. A(x) satisfies: 1/A(x)^2 + 4xA(x)^2 = 1/A(x^2) + 2xA(x^2).