A106804 - cp's OEIS frontend

A106804 Expansion of g.f.: x(2 - 9x - 4x^2)/((1 - 5x + x^2)(1 - 5x - x^2)).

n	a(n)
0	0
1	2
2	11
3	56
4	285
5	1452
6	7406
7	37816
8	193295
9	989002
10	5065051
11	25963276
12	133199780
13	683904902
14	3514119571
15	18069536436
16	92975574865
17	478701242652
18	2466137174466
19	12711910214796
20	65558648361175
21	338267429484502

[0, 2, 11, 56, 285, 1452, 7406, 37816, 193295, 989002, 5065051, 25963276, 133199780, 683904902, 3514119571, 18069536436, 92975574865, 478701242652, 2466137174466, 12711910214796, 65558648361175, 338267429484502]

cp's OEIS Frontend

A106804 Expansion of g.f.: x(2 - 9x - 4x^2)/((1 - 5x + x^2)(1 - 5x - x^2)).

Table of values

List of values

cp's OEIS Frontend

A106804 Expansion of g.f.: x*(2 - 9*x - 4*x^2)/((1 - 5*x + x^2)*(1 - 5*x - x^2)).

Table of values

List of values

A106804 Expansion of g.f.: x(2 - 9x - 4x^2)/((1 - 5x + x^2)(1 - 5x - x^2)).