A368629 - cp's OEIS frontend

A368629 Expansion of g.f. A(x) satisfying A(x) = 1 + x(A(x)^2 + A(-x)^2)/2 + x(A(x)^4 - A(-x)^4)/2.

n	a(n)
0	1
1	1
2	4
3	9
4	88
5	210
6	2644
7	6493
8	91992
9	229646
10	3484008
11	8789562
12	139443168
13	354379540
14	5801987316
15	14824740645
16	248459660984
17	637465292438
18	10878564788984
19	28001827694446
20	484778825103504
21	1251132971284668
22	21915195896364296
23	56682787977509650
24	1002570518541796720

[1, 1, 4, 9, 88, 210, 2644, 6493, 91992, 229646, 3484008, 8789562, 139443168, 354379540, 5801987316, 14824740645, 248459660984, 637465292438, 10878564788984, 28001827694446, 484778825103504, 1251132971284668, 21915195896364296, 56682787977509650, 1002570518541796720]

cp's OEIS Frontend

A368629 Expansion of g.f. A(x) satisfying A(x) = 1 + x(A(x)^2 + A(-x)^2)/2 + x(A(x)^4 - A(-x)^4)/2.

Table of values

List of values

cp's OEIS Frontend

A368629 Expansion of g.f. A(x) satisfying A(x) = 1 + x*(A(x)^2 + A(-x)^2)/2 + x*(A(x)^4 - A(-x)^4)/2.

Table of values

List of values

A368629 Expansion of g.f. A(x) satisfying A(x) = 1 + x(A(x)^2 + A(-x)^2)/2 + x(A(x)^4 - A(-x)^4)/2.