A273958 - cp's OEIS frontend

A273958 G.f. A(x) satisfies: xA(x) + x^2A(x)^2 = C(x)^2, where C(x) = x + C(x)^2 is a g.f. of the Catalan numbers (A000108).

n	a(n)
1	1
2	2
3	4
4	10
5	30
6	96
7	313
8	1038
9	3512
10	12100
11	42286
12	149440
13	533076
14	1917000
15	6942660
16	25300034
17	92701746
18	341319648
19	1262176462
20	4685724500
21	17457027376
22	65247128392
23	244584468174
24	919319871360
25	3464027857900
26	13082491517336
27	49513139090512
28	187761168576904
29	713325243149880
30	2714644395230080
31	10347465825694361
32	39500936075084958
33	151005816167189208
34	578038682649831252
35	2215461387843704450
36	8501300598574467776
37	32658238309503587964

[1, 2, 4, 10, 30, 96, 313, 1038, 3512, 12100, 42286, 149440, 533076, 1917000, 6942660, 25300034, 92701746, 341319648, 1262176462, 4685724500, 17457027376, 65247128392, 244584468174, 919319871360, 3464027857900, 13082491517336, 49513139090512, 187761168576904, 713325243149880, 2714644395230080, 10347465825694361, 39500936075084958, 151005816167189208, 578038682649831252, 2215461387843704450, 8501300598574467776, 32658238309503587964]

cp's OEIS Frontend

A273958 G.f. A(x) satisfies: xA(x) + x^2A(x)^2 = C(x)^2, where C(x) = x + C(x)^2 is a g.f. of the Catalan numbers (A000108).

Table of values

List of values

cp's OEIS Frontend

A273958 G.f. A(x) satisfies: x*A(x) + x^2*A(x)^2 = C(x)^2, where C(x) = x + C(x)^2 is a g.f. of the Catalan numbers (A000108).

Table of values

List of values

A273958 G.f. A(x) satisfies: xA(x) + x^2A(x)^2 = C(x)^2, where C(x) = x + C(x)^2 is a g.f. of the Catalan numbers (A000108).