A107387 - cp's OEIS frontend

A107387 Expansion of x(1-2x-x^2)/( (1-x)(1+x)(1-3*x+x^2)).

n	a(n)
0	0
1	1
2	1
3	2
4	3
5	7
6	16
7	41
8	105
9	274
10	715
11	1871
12	4896
13	12817
14	33553
15	87842
16	229971
17	602071
18	1576240
19	4126649
20	10803705
21	28284466
22	74049691
23	193864607
24	507544128
25	1328767777
26	3478759201
27	9107509826
28	23843770275
29	62423800999
30	163427632720
31	427859097161

[0, 1, 1, 2, 3, 7, 16, 41, 105, 274, 715, 1871, 4896, 12817, 33553, 87842, 229971, 602071, 1576240, 4126649, 10803705, 28284466, 74049691, 193864607, 507544128, 1328767777, 3478759201, 9107509826, 23843770275, 62423800999, 163427632720, 427859097161]

cp's OEIS Frontend

A107387 Expansion of x(1-2x-x^2)/( (1-x)(1+x)(1-3*x+x^2)).

Table of values

List of values

cp's OEIS Frontend

A107387 Expansion of x*(1-2*x-x^2)/( (1-x)*(1+x)*(1-3*x+x^2)).

Table of values

List of values

A107387 Expansion of x(1-2x-x^2)/( (1-x)(1+x)(1-3*x+x^2)).