A161634 - cp's OEIS frontend

A161634 G.f. satisfies A(x) = 1/(1 - x(1 + xA(x))^2).

n	a(n)
0	1
1	1
2	3
3	8
4	25
5	81
6	274
7	953
8	3389
9	12265
10	45025
11	167256
12	627540
13	2374672
14	9052447
15	34731401
16	134010573
17	519683813
18	2024370167
19	7917605996
20	31080085431
21	122407860927
22	483558273368
23	1915535953655
24	7607408410408
25	30283240593756

[1, 1, 3, 8, 25, 81, 274, 953, 3389, 12265, 45025, 167256, 627540, 2374672, 9052447, 34731401, 134010573, 519683813, 2024370167, 7917605996, 31080085431, 122407860927, 483558273368, 1915535953655, 7607408410408, 30283240593756]

cp's OEIS Frontend

A161634 G.f. satisfies A(x) = 1/(1 - x(1 + xA(x))^2).

Table of values

List of values

cp's OEIS Frontend

A161634 G.f. satisfies A(x) = 1/(1 - x*(1 + x*A(x))^2).

Table of values

List of values

A161634 G.f. satisfies A(x) = 1/(1 - x(1 + xA(x))^2).