A379209 - cp's OEIS frontend

A379209 G.f. A(x) satisfies A(x) = 1/((1 - xA(x)^2) (1 - x*A(x))).

n	a(n)
0	1
1	2
2	9
3	53
4	357
5	2605
6	20041
7	160074
8	1314821
9	11036015
10	94242752
11	816190963
12	7151741597
13	63287390223
14	564791911903
15	5077284164245
16	45935201005749
17	417928249605123
18	3821430547469626
19	35098466575407095
20	323662850948066340
21	2995524340795970120

[1, 2, 9, 53, 357, 2605, 20041, 160074, 1314821, 11036015, 94242752, 816190963, 7151741597, 63287390223, 564791911903, 5077284164245, 45935201005749, 417928249605123, 3821430547469626, 35098466575407095, 323662850948066340, 2995524340795970120]

cp's OEIS Frontend

A379209 G.f. A(x) satisfies A(x) = 1/((1 - xA(x)^2) (1 - x*A(x))).

Table of values

List of values

cp's OEIS Frontend

A379209 G.f. A(x) satisfies A(x) = 1/((1 - x*A(x)^2) * (1 - x*A(x))).

Table of values

List of values

A379209 G.f. A(x) satisfies A(x) = 1/((1 - xA(x)^2) (1 - x*A(x))).