A023422 - cp's OEIS frontend

A023422 Generalized Catalan Numbers x^2A(x)^2 -(1-x+x^2+x^3+x^4+x^5)A(x) + 1 =0.

n	a(n)
0	1
1	1
2	1
3	1
4	1
5	1
6	2
7	4
8	8
9	16
10	32
11	64
12	129
13	261
14	530
15	1080
16	2208
17	4528
18	9313
19	19207
20	39714
21	82314
22	170996
23	355976
24	742545
25	1551817
26	3248823
27	6812947
28	14309557
29	30099645
30	63402315

[1, 1, 1, 1, 1, 1, 2, 4, 8, 16, 32, 64, 129, 261, 530, 1080, 2208, 4528, 9313, 19207, 39714, 82314, 170996, 355976, 742545, 1551817, 3248823, 6812947, 14309557, 30099645, 63402315]

cp's OEIS Frontend

A023422 Generalized Catalan Numbers x^2A(x)^2 -(1-x+x^2+x^3+x^4+x^5)A(x) + 1 =0.

Table of values

List of values

cp's OEIS Frontend

A023422 Generalized Catalan Numbers x^2*A(x)^2 -(1-x+x^2+x^3+x^4+x^5)*A(x) + 1 =0.

Table of values

List of values

A023422 Generalized Catalan Numbers x^2A(x)^2 -(1-x+x^2+x^3+x^4+x^5)A(x) + 1 =0.