A367640 - cp's OEIS frontend

A367640 G.f. A(x) satisfies A(x) = (1 + x)^2 + x*A(x)^3 / (1 + x)^2.

n	a(n)
0	1
1	3
2	8
3	36
4	200
5	1220
6	7896
7	53220
8	369528
9	2624772
10	18981864
11	139287588
12	1034475624
13	7761249476
14	58735359032
15	447827171556
16	3436759851672
17	26526255859716
18	205782644595912
19	1603655203428900
20	12548225647402248
21	98548826076070596
22	776552629964300952

[1, 3, 8, 36, 200, 1220, 7896, 53220, 369528, 2624772, 18981864, 139287588, 1034475624, 7761249476, 58735359032, 447827171556, 3436759851672, 26526255859716, 205782644595912, 1603655203428900, 12548225647402248, 98548826076070596, 776552629964300952]

cp's OEIS Frontend

A367640 G.f. A(x) satisfies A(x) = (1 + x)^2 + x*A(x)^3 / (1 + x)^2.

Table of values

List of values