A217783 - cp's OEIS frontend

A217783 Expansion of (1-x)(1-2x)/((1-5x+5x^2)*(1-3x+x^2)).

n	a(n)
0	1
1	5
2	21
3	83
4	318
5	1196
6	4445
7	16389
8	60097
9	219527
10	799734
11	2907800
12	10558041
13	38297573
14	138819053
15	502925211
16	1821362830
17	6594366404
18	23870720757
19	86396702117
20	312668994969
21	1131463798415
22	4094241931526
23	14814592074288
24	53603587025713
25	193949782284101

[1, 5, 21, 83, 318, 1196, 4445, 16389, 60097, 219527, 799734, 2907800, 10558041, 38297573, 138819053, 502925211, 1821362830, 6594366404, 23870720757, 86396702117, 312668994969, 1131463798415, 4094241931526, 14814592074288, 53603587025713, 193949782284101]

cp's OEIS Frontend

A217783 Expansion of (1-x)(1-2x)/((1-5x+5x^2)*(1-3x+x^2)).

Table of values

List of values

cp's OEIS Frontend

A217783 Expansion of (1-x)*(1-2x)/((1-5x+5*x^2)*(1-3x+x^2)).

Table of values

List of values

A217783 Expansion of (1-x)(1-2x)/((1-5x+5x^2)*(1-3x+x^2)).