A153391 - cp's OEIS frontend

A153391 G.f.: A(x) = F(xG(x)^2) where F(x) = G(xF(x)) = 1 + xF(x)^3 is the g.f. of A001764 and G(x) = F(x/G(x)) = 1 + xG(x)^2 is the g.f. of A000108 (Catalan).

n	a(n)
0	1
1	1
2	5
3	29
4	183
5	1223
6	8525
7	61366
8	453003
9	3412077
10	26124599
11	202748728
12	1591450129
13	12612760009
14	100790253764
15	811227147197
16	6570431009209
17	53512143110041
18	437976298197769
19	3600504527707557
20	29716593448484673

[1, 1, 5, 29, 183, 1223, 8525, 61366, 453003, 3412077, 26124599, 202748728, 1591450129, 12612760009, 100790253764, 811227147197, 6570431009209, 53512143110041, 437976298197769, 3600504527707557, 29716593448484673]

cp's OEIS Frontend

A153391 G.f.: A(x) = F(xG(x)^2) where F(x) = G(xF(x)) = 1 + xF(x)^3 is the g.f. of A001764 and G(x) = F(x/G(x)) = 1 + xG(x)^2 is the g.f. of A000108 (Catalan).

Table of values

List of values

cp's OEIS Frontend

A153391 G.f.: A(x) = F(x*G(x)^2) where F(x) = G(x*F(x)) = 1 + x*F(x)^3 is the g.f. of A001764 and G(x) = F(x/G(x)) = 1 + x*G(x)^2 is the g.f. of A000108 (Catalan).

Table of values

List of values

A153391 G.f.: A(x) = F(xG(x)^2) where F(x) = G(xF(x)) = 1 + xF(x)^3 is the g.f. of A001764 and G(x) = F(x/G(x)) = 1 + xG(x)^2 is the g.f. of A000108 (Catalan).