A108155 - cp's OEIS frontend

A108155 Numbers of the forms 2^n-2, 2^n-1, 2^n, 2^n+1 and 2^n+2.

n	a(n)
1	-1
2	0
3	1
4	2
5	3
6	4
7	5
8	6
9	7
10	8
11	9
12	10
13	14
14	15
15	16
16	17
17	18
18	30
19	31
20	32
21	33
22	34
23	62
24	63
25	64
26	65
27	66
28	126
29	127
30	128
31	129
32	130
33	254
34	255
35	256
36	257
37	258
38	510
39	511
40	512
41	513
42	514
43	1022
44	1023
45	1024
46	1025
47	1026
48	2046
49	2047
50	2048
51	2049
52	2050
53	4094
54	4095
55	4096
56	4097
57	4098
58	8190
59	8191
60	8192
61	8193
62	8194
63	16382
64	16383
65	16384

[-1, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 14, 15, 16, 17, 18, 30, 31, 32, 33, 34, 62, 63, 64, 65, 66, 126, 127, 128, 129, 130, 254, 255, 256, 257, 258, 510, 511, 512, 513, 514, 1022, 1023, 1024, 1025, 1026, 2046, 2047, 2048, 2049, 2050, 4094, 4095, 4096, 4097, 4098, 8190, 8191, 8192, 8193, 8194, 16382, 16383, 16384]

cp's OEIS Frontend

A108155 Numbers of the forms 2^n-2, 2^n-1, 2^n, 2^n+1 and 2^n+2.

Table of values

List of values