A258053 - cp's OEIS frontend

A258053 G.f. A(x) satisfies: 1 = Sum_{n>=0} x^n / (A(x)^2 - x)^(2n+1) [ Sum_{k=0..n} C(n,k)^2 * x^k * A(x)^(n-2*k) ]^2.

n	a(n)
0	1
1	1
2	1
3	0
4	1
5	-2
6	-4
7	0
8	-7
9	20
10	42
11	0
12	84
13	-272
14	-584
15	0
16	-1239
17	4270
18	9288
19	0
20	20370
21	-72860
22	-159840
23	0
24	-358092
25	1312824
26	2897400
27	0
28	6587944
29	-24580512
30	-54490848
31	0
32	-125256887
33	473534676
34	1053346410
35	0
36	2441648384
37	-9325376200
38	-20800103016
39	0
40	-48534848222
41	186886877456
42	417769301220
43	0

[1, 1, 1, 0, 1, -2, -4, 0, -7, 20, 42, 0, 84, -272, -584, 0, -1239, 4270, 9288, 0, 20370, -72860, -159840, 0, -358092, 1312824, 2897400, 0, 6587944, -24580512, -54490848, 0, -125256887, 473534676, 1053346410, 0, 2441648384, -9325376200, -20800103016, 0, -48534848222, 186886877456, 417769301220, 0]

cp's OEIS Frontend

A258053 G.f. A(x) satisfies: 1 = Sum_{n>=0} x^n / (A(x)^2 - x)^(2n+1) [ Sum_{k=0..n} C(n,k)^2 * x^k * A(x)^(n-2*k) ]^2.

Table of values

List of values

cp's OEIS Frontend

A258053 G.f. A(x) satisfies: 1 = Sum_{n>=0} x^n / (A(x)^2 - x)^(2*n+1) * [ Sum_{k=0..n} C(n,k)^2 * x^k * A(x)^(n-2*k) ]^2.

Table of values

List of values

A258053 G.f. A(x) satisfies: 1 = Sum_{n>=0} x^n / (A(x)^2 - x)^(2n+1) [ Sum_{k=0..n} C(n,k)^2 * x^k * A(x)^(n-2*k) ]^2.