A076035 - cp's OEIS frontend

A076035 G.f.: 1/(1-4xC) where C = (1/2-1/2(1-4x)^(1/2))/x = g.f. for Catalan numbers A000108.

n	a(n)
0	1
1	4
2	20
3	104
4	548
5	2904
6	15432
7	82128
8	437444
9	2331128
10	12426200
11	66250672
12	353258536
13	1883768176
14	10045773072
15	53573890464
16	285714489348
17	1523763466296
18	8126565627192
19	43341046493424
20	231149891614008
21	1232790669780816
22	6574850950474992
23	35065749759115104

[1, 4, 20, 104, 548, 2904, 15432, 82128, 437444, 2331128, 12426200, 66250672, 353258536, 1883768176, 10045773072, 53573890464, 285714489348, 1523763466296, 8126565627192, 43341046493424, 231149891614008, 1232790669780816, 6574850950474992, 35065749759115104]

cp's OEIS Frontend

A076035 G.f.: 1/(1-4xC) where C = (1/2-1/2(1-4x)^(1/2))/x = g.f. for Catalan numbers A000108.

Table of values

List of values

cp's OEIS Frontend

A076035 G.f.: 1/(1-4*x*C) where C = (1/2-1/2*(1-4*x)^(1/2))/x = g.f. for Catalan numbers A000108.

Table of values

List of values

A076035 G.f.: 1/(1-4xC) where C = (1/2-1/2(1-4x)^(1/2))/x = g.f. for Catalan numbers A000108.