A168642 - cp's OEIS frontend

A168642 a(n) = (8*2^n + (-1)^n)/3 for n > 0; a(0) = 1.

n	a(n)
0	1
1	5
2	11
3	21
4	43
5	85
6	171
7	341
8	683
9	1365
10	2731
11	5461
12	10923
13	21845
14	43691
15	87381
16	174763
17	349525
18	699051
19	1398101
20	2796203
21	5592405
22	11184811
23	22369621
24	44739243
25	89478485
26	178956971
27	357913941
28	715827883
29	1431655765
30	2863311531

[1, 5, 11, 21, 43, 85, 171, 341, 683, 1365, 2731, 5461, 10923, 21845, 43691, 87381, 174763, 349525, 699051, 1398101, 2796203, 5592405, 11184811, 22369621, 44739243, 89478485, 178956971, 357913941, 715827883, 1431655765, 2863311531]

cp's OEIS Frontend

A168642 a(n) = (8*2^n + (-1)^n)/3 for n > 0; a(0) = 1.

Table of values

List of values