A375438 - cp's OEIS frontend

A375438 Expansion of g.f. A(x) satisfying A(x) = x + x^2 + (A(x)^3 + 2*A(x^3))/3.

n	a(n)
1	1
2	1
3	1
4	1
5	2
6	4
7	6
8	12
9	24
10	46
11	93
12	191
13	393
14	819
15	1724
16	3648
17	7772
18	16654
19	35850
20	77520
21	168289
22	366629
23	801328
24	1756620
25	3861157
26	8508247
27	18791480
28	41591566
29	92237598
30	204931918
31	456096480
32	1016720162
33	2269865456
34	5074732028
35	11360680664
36	25464831258
37	57146836290

[1, 1, 1, 1, 2, 4, 6, 12, 24, 46, 93, 191, 393, 819, 1724, 3648, 7772, 16654, 35850, 77520, 168289, 366629, 801328, 1756620, 3861157, 8508247, 18791480, 41591566, 92237598, 204931918, 456096480, 1016720162, 2269865456, 5074732028, 11360680664, 25464831258, 57146836290]

cp's OEIS Frontend

A375438 Expansion of g.f. A(x) satisfying A(x) = x + x^2 + (A(x)^3 + 2*A(x^3))/3.

Table of values

List of values