A200717 - cp's OEIS frontend

A200717 G.f. satisfies: A(x) = (1 + xA(x)^3) (1 + x^2*A(x)^2).

n	a(n)
0	1
1	1
2	4
3	18
4	93
5	521
6	3073
7	18806
8	118297
9	760162
10	4968480
11	32928392
12	220766739
13	1494635330
14	10203884795
15	70167751762
16	485574854049
17	3379064343829
18	23631314301088
19	165998001901786
20	1170706810318259
21	8286253163771045
22	58842370488310336
23	419102145275264242
24	2993221125640617827

[1, 1, 4, 18, 93, 521, 3073, 18806, 118297, 760162, 4968480, 32928392, 220766739, 1494635330, 10203884795, 70167751762, 485574854049, 3379064343829, 23631314301088, 165998001901786, 1170706810318259, 8286253163771045, 58842370488310336, 419102145275264242, 2993221125640617827]

cp's OEIS Frontend

A200717 G.f. satisfies: A(x) = (1 + xA(x)^3) (1 + x^2*A(x)^2).

Table of values

List of values

cp's OEIS Frontend

A200717 G.f. satisfies: A(x) = (1 + x*A(x)^3) * (1 + x^2*A(x)^2).

Table of values

List of values

A200717 G.f. satisfies: A(x) = (1 + xA(x)^3) (1 + x^2*A(x)^2).