A107389 - cp's OEIS frontend

A107389 Expansion of x(1-6x+7x^2)/( (1-x)(1+x)(1-5x+x^2)).

n	a(n)
0	0
1	1
2	-1
3	2
4	5
5	31
6	144
7	697
8	3335
9	15986
10	76589
11	366967
12	1758240
13	8424241
14	40362959
15	193390562
16	926589845
17	4439558671
18	21271203504
19	101916458857
20	488311090775
21	2339638995026
22	11209883884349
23	53709780426727
24	257339018249280
25	1232985310819681
26	5907587535849119

[0, 1, -1, 2, 5, 31, 144, 697, 3335, 15986, 76589, 366967, 1758240, 8424241, 40362959, 193390562, 926589845, 4439558671, 21271203504, 101916458857, 488311090775, 2339638995026, 11209883884349, 53709780426727, 257339018249280, 1232985310819681, 5907587535849119]

cp's OEIS Frontend

A107389 Expansion of x(1-6x+7x^2)/( (1-x)(1+x)(1-5x+x^2)).

Table of values

List of values

cp's OEIS Frontend

A107389 Expansion of x*(1-6*x+7*x^2)/( (1-x)*(1+x)*(1-5*x+x^2)).

Table of values

List of values

A107389 Expansion of x(1-6x+7x^2)/( (1-x)(1+x)(1-5x+x^2)).