A118414 - cp's OEIS frontend

A118414 a(n) = (2n - 1) (2^n - 1).

n	a(n)
1	1
2	9
3	35
4	105
5	279
6	693
7	1651
8	3825
9	8687
10	19437
11	42987
12	94185
13	204775
14	442341
15	950243
16	2031585
17	4325343
18	9175005
19	19398619
20	40894425
21	85983191
22	180355029
23	377487315
24	788529105
25	1644167119
26	3422552013
27	7113539531
28	14763950025
29	30601641927
30	63350767557
31	130996502467
32	270582939585

[1, 9, 35, 105, 279, 693, 1651, 3825, 8687, 19437, 42987, 94185, 204775, 442341, 950243, 2031585, 4325343, 9175005, 19398619, 40894425, 85983191, 180355029, 377487315, 788529105, 1644167119, 3422552013, 7113539531, 14763950025, 30601641927, 63350767557, 130996502467, 270582939585]

cp's OEIS Frontend

A118414 a(n) = (2n - 1) (2^n - 1).

Table of values

List of values

cp's OEIS Frontend

A118414 a(n) = (2*n - 1) * (2^n - 1).

Table of values

List of values

A118414 a(n) = (2n - 1) (2^n - 1).