A111644 - cp's OEIS frontend

A111644 Expansion of -(1+x^2)/((x^2+4x+1)(x^2-2*x-1)).

n	a(n)
0	1
1	-6
2	29
3	-124
4	501
5	-1962
6	7545
7	-28696
8	108393
9	-407662
10	1528981
11	-5724500
12	21408221
13	-80003026
14	298832369
15	-1115878064
16	4166011601
17	-15551383382
18	58047283725
19	-216656490156
20	808623915973
21	-3017948390522
22	11263433318761
23	-42036421446600
24	156883789264441

[1, -6, 29, -124, 501, -1962, 7545, -28696, 108393, -407662, 1528981, -5724500, 21408221, -80003026, 298832369, -1115878064, 4166011601, -15551383382, 58047283725, -216656490156, 808623915973, -3017948390522, 11263433318761, -42036421446600, 156883789264441]

cp's OEIS Frontend

A111644 Expansion of -(1+x^2)/((x^2+4x+1)(x^2-2*x-1)).

Table of values

List of values

cp's OEIS Frontend

A111644 Expansion of -(1+x^2)/((x^2+4*x+1)*(x^2-2*x-1)).

Table of values

List of values

A111644 Expansion of -(1+x^2)/((x^2+4x+1)(x^2-2*x-1)).