A049775 - cp's OEIS frontend

A049775 a(n) is the sum of all integers from 2^(n-2)+1 to 2^(n-1).

n	a(n)
2	2
3	7
4	26
5	100
6	392
7	1552
8	6176
9	24640
10	98432
11	393472
12	1573376
13	6292480
14	25167872
15	100667392
16	402661376
17	1610629120
18	6442483712
19	25769869312
20	103079346176
21	412317122560
22	1649267965952
23	6597070815232
24	26388281163776

[2, 7, 26, 100, 392, 1552, 6176, 24640, 98432, 393472, 1573376, 6292480, 25167872, 100667392, 402661376, 1610629120, 6442483712, 25769869312, 103079346176, 412317122560, 1649267965952, 6597070815232, 26388281163776]

cp's OEIS Frontend

A049775 a(n) is the sum of all integers from 2^(n-2)+1 to 2^(n-1).

Table of values

List of values