A182267 - cp's OEIS frontend

A182267 G.f. satisfies: A(x) = (1+xA(x))(1+x^2A(x)^2)(1+x^3*A(x)).

n	a(n)
0	1
1	1
2	2
3	6
4	16
5	46
6	140
7	435
8	1382
9	4474
10	14687
11	48787
12	163703
13	554009
14	1888794
15	6481220
16	22366415
17	77575617
18	270277602
19	945480612
20	3319582632
21	11693824752
22	41318554495
23	146399071577
24	520042511448
25	1851657641932
26	6607352892709
27	23624965371264

[1, 1, 2, 6, 16, 46, 140, 435, 1382, 4474, 14687, 48787, 163703, 554009, 1888794, 6481220, 22366415, 77575617, 270277602, 945480612, 3319582632, 11693824752, 41318554495, 146399071577, 520042511448, 1851657641932, 6607352892709, 23624965371264]

cp's OEIS Frontend

A182267 G.f. satisfies: A(x) = (1+xA(x))(1+x^2A(x)^2)(1+x^3*A(x)).

Table of values

List of values

cp's OEIS Frontend

A182267 G.f. satisfies: A(x) = (1+x*A(x))*(1+x^2*A(x)^2)*(1+x^3*A(x)).

Table of values

List of values

A182267 G.f. satisfies: A(x) = (1+xA(x))(1+x^2A(x)^2)(1+x^3*A(x)).