A115335 - cp's OEIS frontend

A115335 a(0) = 3, a(1) = 5, a(2) = 1, and a(n) = (2^(1 + n) - 11*(-1)^n)/3 for n > 2.

n	a(n)
0	3
1	5
2	1
3	9
4	7
5	25
6	39
7	89
8	167
9	345
10	679
11	1369
12	2727
13	5465
14	10919
15	21849
16	43687
17	87385
18	174759
19	349529
20	699047
21	1398105
22	2796199
23	5592409
24	11184807
25	22369625
26	44739239
27	89478489
28	178956967
29	357913945
30	715827879
31	1431655769
32	2863311527
33	5726623065
34	11453246119

[3, 5, 1, 9, 7, 25, 39, 89, 167, 345, 679, 1369, 2727, 5465, 10919, 21849, 43687, 87385, 174759, 349529, 699047, 1398105, 2796199, 5592409, 11184807, 22369625, 44739239, 89478489, 178956967, 357913945, 715827879, 1431655769, 2863311527, 5726623065, 11453246119]

cp's OEIS Frontend

A115335 a(0) = 3, a(1) = 5, a(2) = 1, and a(n) = (2^(1 + n) - 11*(-1)^n)/3 for n > 2.

Table of values

List of values