A216604 - cp's OEIS frontend

A216604 G.f. satisfies: A(x) = (1 + x(1-x)A(x)) * (1 + x^2*A(x)).

n	a(n)
0	1
1	1
2	1
3	2
4	3
5	4
6	7
7	12
8	19
9	33
10	59
11	102
12	181
13	329
14	593
15	1076
16	1979
17	3643
18	6723
19	12494
20	23289
21	43498
22	81557
23	153356
24	288925
25	545687
26	1032997
27	1958978
28	3721819
29	7083716
30	13503311
31	25778612
32	49283755
33	94345179
34	180830195
35	347006694
36	666636809
37	1282024484
38	2467964693

[1, 1, 1, 2, 3, 4, 7, 12, 19, 33, 59, 102, 181, 329, 593, 1076, 1979, 3643, 6723, 12494, 23289, 43498, 81557, 153356, 288925, 545687, 1032997, 1958978, 3721819, 7083716, 13503311, 25778612, 49283755, 94345179, 180830195, 347006694, 666636809, 1282024484, 2467964693]

cp's OEIS Frontend

A216604 G.f. satisfies: A(x) = (1 + x(1-x)A(x)) * (1 + x^2*A(x)).

Table of values

List of values

cp's OEIS Frontend

A216604 G.f. satisfies: A(x) = (1 + x*(1-x)*A(x)) * (1 + x^2*A(x)).

Table of values

List of values

A216604 G.f. satisfies: A(x) = (1 + x(1-x)A(x)) * (1 + x^2*A(x)).