A189316 - cp's OEIS frontend

A189316 Expansion of g.f. 5(1-x-x^2)/((1+x)(1-3*x+x^2)).

n	a(n)
0	5
1	5
2	15
3	35
4	95
5	245
6	645
7	1685
8	4415
9	11555
10	30255
11	79205
12	207365
13	542885
14	1421295
15	3720995
16	9741695
17	25504085
18	66770565
19	174807605
20	457652255
21	1198149155
22	3136795215
23	8212236485
24	21499914245
25	56287506245
26	147362604495
27	385800307235
28	1010038317215

[5, 5, 15, 35, 95, 245, 645, 1685, 4415, 11555, 30255, 79205, 207365, 542885, 1421295, 3720995, 9741695, 25504085, 66770565, 174807605, 457652255, 1198149155, 3136795215, 8212236485, 21499914245, 56287506245, 147362604495, 385800307235, 1010038317215]

cp's OEIS Frontend

A189316 Expansion of g.f. 5(1-x-x^2)/((1+x)(1-3*x+x^2)).

Table of values

List of values

cp's OEIS Frontend

A189316 Expansion of g.f. 5*(1-x-x^2)/((1+x)*(1-3*x+x^2)).

Table of values

List of values

A189316 Expansion of g.f. 5(1-x-x^2)/((1+x)(1-3*x+x^2)).