A109786 - cp's OEIS frontend

A109786 Expansion of -(x+2x^2+3x^3-1+5x^4)/((x+1)(x^2-3x+1)(1+x^2)).

n	a(n)
0	1
1	1
2	1
3	1
4	1
5	5
6	13
7	33
8	85
9	225
10	589
11	1541
12	4033
13	10561
14	27649
15	72385
16	189505
17	496133
18	1298893
19	3400545
20	8902741
21	23307681
22	61020301
23	159753221
24	418239361
25	1094964865
26	2866655233
27	7505000833
28	19648347265
29	51440040965
30	134671775629

[1, 1, 1, 1, 1, 5, 13, 33, 85, 225, 589, 1541, 4033, 10561, 27649, 72385, 189505, 496133, 1298893, 3400545, 8902741, 23307681, 61020301, 159753221, 418239361, 1094964865, 2866655233, 7505000833, 19648347265, 51440040965, 134671775629]

cp's OEIS Frontend

A109786 Expansion of -(x+2x^2+3x^3-1+5x^4)/((x+1)(x^2-3x+1)(1+x^2)).

Table of values

List of values

cp's OEIS Frontend

A109786 Expansion of -(x+2*x^2+3*x^3-1+5*x^4)/((x+1)*(x^2-3*x+1)*(1+x^2)).

Table of values

List of values

A109786 Expansion of -(x+2x^2+3x^3-1+5x^4)/((x+1)(x^2-3x+1)(1+x^2)).