A076025 - cp's OEIS frontend

A076025 Expansion of g.f.: (1-3xC)/(1-4xC) where C = (1 - sqrt(1-4x))/(2x) = g.f. for Catalan numbers A000108.

n	a(n)
0	1
1	1
2	5
3	26
4	137
5	726
6	3858
7	20532
8	109361
9	582782
10	3106550
11	16562668
12	88314634
13	470942044
14	2511443268
15	13393472616
16	71428622337
17	380940866574
18	2031641406798
19	10835261623356
20	57787472903502
21	308197667445204
22	1643712737618748
23	8766437439778776
24	46754218658948922

[1, 1, 5, 26, 137, 726, 3858, 20532, 109361, 582782, 3106550, 16562668, 88314634, 470942044, 2511443268, 13393472616, 71428622337, 380940866574, 2031641406798, 10835261623356, 57787472903502, 308197667445204, 1643712737618748, 8766437439778776, 46754218658948922]

cp's OEIS Frontend

A076025 Expansion of g.f.: (1-3xC)/(1-4xC) where C = (1 - sqrt(1-4x))/(2x) = g.f. for Catalan numbers A000108.

Table of values

List of values

cp's OEIS Frontend

A076025 Expansion of g.f.: (1-3*x*C)/(1-4*x*C) where C = (1 - sqrt(1-4*x))/(2*x) = g.f. for Catalan numbers A000108.

Table of values

List of values

A076025 Expansion of g.f.: (1-3xC)/(1-4xC) where C = (1 - sqrt(1-4x))/(2x) = g.f. for Catalan numbers A000108.