A368634 - cp's OEIS frontend

A368634 Expansion of g.f. A(x) satisfying A(x) = 1 + x(3A(x)^2 - A(-x)^2)/2.

n	a(n)
0	1
1	1
2	4
3	9
4	52
5	138
6	904
7	2581
8	18020
9	53622
10	389112
11	1189146
12	8855560
13	27571156
14	209174544
15	660249549
16	5079702852
17	16203796158
18	126033559960
19	405408758062
20	3180991167640
21	10301855821452
22	81414086371696
23	265150389430914
24	2108026107021224
25	6897985805906972
26	55119920086104496

[1, 1, 4, 9, 52, 138, 904, 2581, 18020, 53622, 389112, 1189146, 8855560, 27571156, 209174544, 660249549, 5079702852, 16203796158, 126033559960, 405408758062, 3180991167640, 10301855821452, 81414086371696, 265150389430914, 2108026107021224, 6897985805906972, 55119920086104496]

cp's OEIS Frontend

A368634 Expansion of g.f. A(x) satisfying A(x) = 1 + x(3A(x)^2 - A(-x)^2)/2.

Table of values

List of values

cp's OEIS Frontend

A368634 Expansion of g.f. A(x) satisfying A(x) = 1 + x*(3*A(x)^2 - A(-x)^2)/2.

Table of values

List of values

A368634 Expansion of g.f. A(x) satisfying A(x) = 1 + x(3A(x)^2 - A(-x)^2)/2.