A121173 - cp's OEIS frontend

A121173 Sequence S with property that for n in S, a(n) = a(1) + a(2) +...+ a(n-1) and for n not in S, a(n) = n+1.

n	a(n)
1	2
2	2
3	4
4	8
5	6
6	22
7	8
8	52
9	10
10	114
11	12
12	240
13	14
14	494
15	16
16	1004
17	18
18	2026
19	20
20	4072
21	22
22	8166
23	24
24	16356
25	26
26	32738
27	28
28	65504
29	30
30	131038
31	32
32	262108
33	34
34	524250
35	36
36	1048536
37	38
38	2097110
39	40
40	4194260
41	42
42	8388562
43	44
44	16777168
45	46
46	33554382

[2, 2, 4, 8, 6, 22, 8, 52, 10, 114, 12, 240, 14, 494, 16, 1004, 18, 2026, 20, 4072, 22, 8166, 24, 16356, 26, 32738, 28, 65504, 30, 131038, 32, 262108, 34, 524250, 36, 1048536, 38, 2097110, 40, 4194260, 42, 8388562, 44, 16777168, 46, 33554382]

cp's OEIS Frontend

A121173 Sequence S with property that for n in S, a(n) = a(1) + a(2) +...+ a(n-1) and for n not in S, a(n) = n+1.

Table of values

List of values