A168449 - cp's OEIS frontend

A168449 G.f. satisfies: A(x/A(x)) = C(x)^2 where C(x) = 1 + x*C(x)^2 is the g.f. of the Catalan numbers (A000108).

n	a(n)
0	1
1	2
2	9
3	60
4	520
5	5450
6	65830
7	886466
8	13005906
9	204607622
10	3412713687
11	59858823020
12	1097439583778
13	20934702108924
14	414042879930671
15	8466407067384676
16	178587080601453990
17	3878812336463745962

[1, 2, 9, 60, 520, 5450, 65830, 886466, 13005906, 204607622, 3412713687, 59858823020, 1097439583778, 20934702108924, 414042879930671, 8466407067384676, 178587080601453990, 3878812336463745962]

cp's OEIS Frontend

A168449 G.f. satisfies: A(x/A(x)) = C(x)^2 where C(x) = 1 + x*C(x)^2 is the g.f. of the Catalan numbers (A000108).

Table of values

List of values