A360887 - cp's OEIS frontend

A360887 G.f. satisfies A(x) = 1 + x * (1 + x)^2 * A(x * (1 + x)).

n	a(n)
0	1
1	1
2	3
3	7
4	22
5	76
6	290
7	1225
8	5616
9	27758
10	147050
11	829926
12	4966258
13	31382572
14	208676004
15	1455540594
16	10620614461
17	80869622604
18	641177678068
19	5282866462839
20	45152445030267
21	399673570426188
22	3658433105500600
23	34582526451125235
24	337165886689229224

[1, 1, 3, 7, 22, 76, 290, 1225, 5616, 27758, 147050, 829926, 4966258, 31382572, 208676004, 1455540594, 10620614461, 80869622604, 641177678068, 5282866462839, 45152445030267, 399673570426188, 3658433105500600, 34582526451125235, 337165886689229224]

cp's OEIS Frontend

A360887 G.f. satisfies A(x) = 1 + x * (1 + x)^2 * A(x * (1 + x)).

Table of values

List of values