A171064 - cp's OEIS frontend

A171064 G.f.: -x(x-1)(1+x)/(1-x-7*x^2-x^3+x^4).

n	a(n)
0	0
1	1
2	1
3	7
4	15
5	64
6	175
7	631
8	1905
9	6433
10	20224
11	66529
12	212625
13	692119
14	2226799
15	7217728
16	23284815
17	75343591
18	243328225
19	786800449
20	2542156800
21	8217744577
22	26556314401
23	85835882791
24	277405671375
25	896595420736
26	2897714688751

[0, 1, 1, 7, 15, 64, 175, 631, 1905, 6433, 20224, 66529, 212625, 692119, 2226799, 7217728, 23284815, 75343591, 243328225, 786800449, 2542156800, 8217744577, 26556314401, 85835882791, 277405671375, 896595420736, 2897714688751]

cp's OEIS Frontend

A171064 G.f.: -x(x-1)(1+x)/(1-x-7*x^2-x^3+x^4).

Table of values

List of values

cp's OEIS Frontend

A171064 G.f.: -x*(x-1)*(1+x)/(1-x-7*x^2-x^3+x^4).

Table of values

List of values

A171064 G.f.: -x(x-1)(1+x)/(1-x-7*x^2-x^3+x^4).