A023423 - cp's OEIS frontend

A023423 Generalized Catalan Numbers x^2A(x)^2 -(1-x+x^2+x^3+x^4+x^5+x^6)A(x) + 1 =0.

n	a(n)
0	1
1	1
2	1
3	1
4	1
5	1
6	1
7	2
8	4
9	8
10	16
11	32
12	64
13	128
14	257
15	517
16	1042
17	2104
18	4256
19	8624
20	17504
21	35585
22	72455
23	147746
24	301706
25	616948
26	1263240
27	2589840
28	5316033
29	10924681
30	22475831
31	46290195

[1, 1, 1, 1, 1, 1, 1, 2, 4, 8, 16, 32, 64, 128, 257, 517, 1042, 2104, 4256, 8624, 17504, 35585, 72455, 147746, 301706, 616948, 1263240, 2589840, 5316033, 10924681, 22475831, 46290195]

cp's OEIS Frontend

A023423 Generalized Catalan Numbers x^2A(x)^2 -(1-x+x^2+x^3+x^4+x^5+x^6)A(x) + 1 =0.

Table of values

List of values

cp's OEIS Frontend

A023423 Generalized Catalan Numbers x^2*A(x)^2 -(1-x+x^2+x^3+x^4+x^5+x^6)*A(x) + 1 =0.

Table of values

List of values

A023423 Generalized Catalan Numbers x^2A(x)^2 -(1-x+x^2+x^3+x^4+x^5+x^6)A(x) + 1 =0.