A120900 - cp's OEIS frontend

A120900 G.f. satisfies: A(x) = C(x)A(x^3C(x)^4), where C(x) is the g.f. of the Catalan numbers (A000108).

n	a(n)
0	1
1	1
2	2
3	6
4	19
5	62
6	209
7	722
8	2539
9	9054
10	32654
11	118876
12	436171
13	1611067
14	5984943
15	22344455
16	83786875
17	315397144
18	1191324649
19	4513742858
20	17149228138
21	65318912291
22	249356597492
23	953902701488
24	3656057618727
25	14037222220896

[1, 1, 2, 6, 19, 62, 209, 722, 2539, 9054, 32654, 118876, 436171, 1611067, 5984943, 22344455, 83786875, 315397144, 1191324649, 4513742858, 17149228138, 65318912291, 249356597492, 953902701488, 3656057618727, 14037222220896]

cp's OEIS Frontend

A120900 G.f. satisfies: A(x) = C(x)A(x^3C(x)^4), where C(x) is the g.f. of the Catalan numbers (A000108).

Table of values

List of values

cp's OEIS Frontend

A120900 G.f. satisfies: A(x) = C(x)*A(x^3*C(x)^4), where C(x) is the g.f. of the Catalan numbers (A000108).

Table of values

List of values

A120900 G.f. satisfies: A(x) = C(x)A(x^3C(x)^4), where C(x) is the g.f. of the Catalan numbers (A000108).