A199247 - cp's OEIS frontend

A199247 G.f. satisfies: A(x) = (1 + xA(x))(1 + x^2A(x)^3 + x^3A(x)^4).

n	a(n)
0	1
1	1
2	2
3	7
4	25
5	92
6	359
7	1453
8	6018
9	25411
10	109032
11	473942
12	2082550
13	9235675
14	41284297
15	185819487
16	841433773
17	3830604764
18	17521832924
19	80490034307
20	371169646860
21	1717567062240
22	7973153760616
23	37119622029816
24	173272771061677
25	810810134833720
26	3802675087749650

[1, 1, 2, 7, 25, 92, 359, 1453, 6018, 25411, 109032, 473942, 2082550, 9235675, 41284297, 185819487, 841433773, 3830604764, 17521832924, 80490034307, 371169646860, 1717567062240, 7973153760616, 37119622029816, 173272771061677, 810810134833720, 3802675087749650]

cp's OEIS Frontend

A199247 G.f. satisfies: A(x) = (1 + xA(x))(1 + x^2A(x)^3 + x^3A(x)^4).

Table of values

List of values

cp's OEIS Frontend

A199247 G.f. satisfies: A(x) = (1 + x*A(x))*(1 + x^2*A(x)^3 + x^3*A(x)^4).

Table of values

List of values

A199247 G.f. satisfies: A(x) = (1 + xA(x))(1 + x^2A(x)^3 + x^3A(x)^4).