A153397 - cp's OEIS frontend

A153397 G.f.: A(x) = F(xG(x)^4) = F(G(x)-1) where F(x) = G(x/F(x)^2) = 1 + xF(x)^2 is the g.f. of A000108 (Catalan) and G(x) = F(xG(x)^2) = 1 + xG(x)^4 is the g.f. of A002293.

n	a(n)
0	1
1	1
2	6
3	43
4	334
5	2717
6	22776
7	195000
8	1695874
9	14927990
10	132673398
11	1188412986
12	10714602196
13	97133633788
14	884716464592
15	8091061578807
16	74259516900390
17	683694381314696
18	6312247839166260
19	58424001667319720
20	541971167468786770

[1, 1, 6, 43, 334, 2717, 22776, 195000, 1695874, 14927990, 132673398, 1188412986, 10714602196, 97133633788, 884716464592, 8091061578807, 74259516900390, 683694381314696, 6312247839166260, 58424001667319720, 541971167468786770]

cp's OEIS Frontend

A153397 G.f.: A(x) = F(xG(x)^4) = F(G(x)-1) where F(x) = G(x/F(x)^2) = 1 + xF(x)^2 is the g.f. of A000108 (Catalan) and G(x) = F(xG(x)^2) = 1 + xG(x)^4 is the g.f. of A002293.

Table of values

List of values

cp's OEIS Frontend

A153397 G.f.: A(x) = F(x*G(x)^4) = F(G(x)-1) where F(x) = G(x/F(x)^2) = 1 + x*F(x)^2 is the g.f. of A000108 (Catalan) and G(x) = F(x*G(x)^2) = 1 + x*G(x)^4 is the g.f. of A002293.

Table of values

List of values

A153397 G.f.: A(x) = F(xG(x)^4) = F(G(x)-1) where F(x) = G(x/F(x)^2) = 1 + xF(x)^2 is the g.f. of A000108 (Catalan) and G(x) = F(xG(x)^2) = 1 + xG(x)^4 is the g.f. of A002293.