A027084 - cp's OEIS frontend

A027084 G.f.: x^2(x^2 + x + 1)/(x^4 - 2x + 1).

n	a(n)
2	1
3	3
4	7
5	14
6	27
7	51
8	95
9	176
10	325
11	599
12	1103
13	2030
14	3735
15	6871
16	12639
17	23248
18	42761
19	78651
20	144663
21	266078
22	489395
23	900139
24	1655615
25	3045152
26	5600909
27	10301679
28	18947743
29	34850334
30	64099759
31	117897839
32	216847935
33	398845536

[1, 3, 7, 14, 27, 51, 95, 176, 325, 599, 1103, 2030, 3735, 6871, 12639, 23248, 42761, 78651, 144663, 266078, 489395, 900139, 1655615, 3045152, 5600909, 10301679, 18947743, 34850334, 64099759, 117897839, 216847935, 398845536]

cp's OEIS Frontend

A027084 G.f.: x^2(x^2 + x + 1)/(x^4 - 2x + 1).

Table of values

List of values

cp's OEIS Frontend

A027084 G.f.: x^2*(x^2 + x + 1)/(x^4 - 2*x + 1).

Table of values

List of values

A027084 G.f.: x^2(x^2 + x + 1)/(x^4 - 2x + 1).