A119370 - cp's OEIS frontend

A119370 G.f. satisfies A(x) = 1 + xA(x)^2 + x^2(A(x)^2 - A(x)).

n	a(n)
0	1
1	1
2	2
3	6
4	19
5	64
6	225
7	816
8	3031
9	11473
10	44096
11	171631
12	675130
13	2679728
14	10719237
15	43168826
16	174885089
17	712222799
18	2914150406
19	11973792218
20	49385167369
21	204386777160
22	848530495383
23	3532844222611
24	14747626307436
25	61712139464939

[1, 1, 2, 6, 19, 64, 225, 816, 3031, 11473, 44096, 171631, 675130, 2679728, 10719237, 43168826, 174885089, 712222799, 2914150406, 11973792218, 49385167369, 204386777160, 848530495383, 3532844222611, 14747626307436, 61712139464939]

cp's OEIS Frontend

A119370 G.f. satisfies A(x) = 1 + xA(x)^2 + x^2(A(x)^2 - A(x)).

Table of values

List of values

cp's OEIS Frontend

A119370 G.f. satisfies A(x) = 1 + x*A(x)^2 + x^2*(A(x)^2 - A(x)).

Table of values

List of values

A119370 G.f. satisfies A(x) = 1 + xA(x)^2 + x^2(A(x)^2 - A(x)).