A196018 - cp's OEIS frontend

A196018 G.f. satisfies: A(x) = 1/(1-x) - 1/(1-xA(x)) + 1/(1-xA(x)^2).

n	a(n)
0	1
1	1
2	2
3	6
4	23
5	98
6	440
7	2044
8	9742
9	47384
10	234289
11	1174214
12	5951877
13	30459550
14	157168265
15	816777857
16	4271248777
17	22459464722
18	118678530165
19	629867928597
20	3356148860975
21	17946684482409
22	96280344449069
23	518058601390577
24	2795121781871727
25	15118502434518352

[1, 1, 2, 6, 23, 98, 440, 2044, 9742, 47384, 234289, 1174214, 5951877, 30459550, 157168265, 816777857, 4271248777, 22459464722, 118678530165, 629867928597, 3356148860975, 17946684482409, 96280344449069, 518058601390577, 2795121781871727, 15118502434518352]

cp's OEIS Frontend

A196018 G.f. satisfies: A(x) = 1/(1-x) - 1/(1-xA(x)) + 1/(1-xA(x)^2).

Table of values

List of values

cp's OEIS Frontend

A196018 G.f. satisfies: A(x) = 1/(1-x) - 1/(1-x*A(x)) + 1/(1-x*A(x)^2).

Table of values

List of values

A196018 G.f. satisfies: A(x) = 1/(1-x) - 1/(1-xA(x)) + 1/(1-xA(x)^2).