A211855 - cp's OEIS frontend

A211855 G.f. satisfies: A(x) = (1+xA(x)^3)(1+x^2A(x)^2)(1+x^3*A(x)).

n	a(n)
0	1
1	1
2	4
3	19
4	98
5	553
6	3288
7	20287
8	128681
9	833889
10	5496837
11	36742204
12	248454438
13	1696588460
14	11682677436
15	81031854579
16	565614332353
17	3970182041035
18	28006229772030
19	198438070511163
20	1411652452459443
21	10078529348799106
22	72192155099054325
23	518659038159324250

[1, 1, 4, 19, 98, 553, 3288, 20287, 128681, 833889, 5496837, 36742204, 248454438, 1696588460, 11682677436, 81031854579, 565614332353, 3970182041035, 28006229772030, 198438070511163, 1411652452459443, 10078529348799106, 72192155099054325, 518659038159324250]

cp's OEIS Frontend

A211855 G.f. satisfies: A(x) = (1+xA(x)^3)(1+x^2A(x)^2)(1+x^3*A(x)).

Table of values

List of values

cp's OEIS Frontend

A211855 G.f. satisfies: A(x) = (1+x*A(x)^3)*(1+x^2*A(x)^2)*(1+x^3*A(x)).

Table of values

List of values

A211855 G.f. satisfies: A(x) = (1+xA(x)^3)(1+x^2A(x)^2)(1+x^3*A(x)).