A257113 - cp's OEIS frontend

A257113 a(1) = 2, a(2) = 3; thereafter a(n) is the sum of all the previous terms.

n	a(n)
1	2
2	3
3	5
4	10
5	20
6	40
7	80
8	160
9	320
10	640
11	1280
12	2560
13	5120
14	10240
15	20480
16	40960
17	81920
18	163840
19	327680
20	655360
21	1310720
22	2621440
23	5242880
24	10485760
25	20971520
26	41943040
27	83886080
28	167772160
29	335544320
30	671088640
31	1342177280
32	2684354560
33	5368709120
34	10737418240

[2, 3, 5, 10, 20, 40, 80, 160, 320, 640, 1280, 2560, 5120, 10240, 20480, 40960, 81920, 163840, 327680, 655360, 1310720, 2621440, 5242880, 10485760, 20971520, 41943040, 83886080, 167772160, 335544320, 671088640, 1342177280, 2684354560, 5368709120, 10737418240]

cp's OEIS Frontend

A257113 a(1) = 2, a(2) = 3; thereafter a(n) is the sum of all the previous terms.

Table of values

List of values