A121587 - cp's OEIS frontend

A121587 G.f.: A(x) = 1+x(1+x(1+x(...(1+x(...)^(-n) )...)^-3)^-2)^-1.

n	a(n)
0	1
1	1
2	-1
3	3
4	-14
5	87
6	-672
7	6202
8	-66622
9	817205
10	-11278833
11	173092010
12	-2925096344
13	53989582136
14	-1080876094507
15	23331975207984
16	-540247838958615
17	13357882578863941
18	-351281262266717583
19	9790602495326179971
20	-288289868480192337409
21	8942994568771904297378

[1, 1, -1, 3, -14, 87, -672, 6202, -66622, 817205, -11278833, 173092010, -2925096344, 53989582136, -1080876094507, 23331975207984, -540247838958615, 13357882578863941, -351281262266717583, 9790602495326179971, -288289868480192337409, 8942994568771904297378]

cp's OEIS Frontend

A121587 G.f.: A(x) = 1+x(1+x(1+x(...(1+x(...)^(-n) )...)^-3)^-2)^-1.

Table of values

List of values

cp's OEIS Frontend

A121587 G.f.: A(x) = 1+x*(1+x*(1+x*(...(1+x*(...)^(-n) )...)^-3)^-2)^-1.

Table of values

List of values

A121587 G.f.: A(x) = 1+x(1+x(1+x(...(1+x(...)^(-n) )...)^-3)^-2)^-1.