A130569 - cp's OEIS frontend

A130569 Numbers of the form k*2^m + 1 for k odd, m >=1, that are not Proth numbers (A080075) (2^m <= k).

n	a(n)
1	7
2	11
3	15
4	19
5	21
6	23
7	27
8	29
9	31
10	35
11	37
12	39
13	43
14	45
15	47
16	51
17	53
18	55
19	59
20	61
21	63
22	67
23	69
24	71
25	73
26	75
27	77
28	79
29	83
30	85
31	87
32	89
33	91
34	93
35	95
36	99
37	101
38	103
39	105
40	107
41	109
42	111
43	115
44	117
45	119
46	121
47	123
48	125
49	127
50	131
51	133
52	135
53	137
54	139
55	141
56	143
57	147
58	149
59	151
60	153
61	155

[7, 11, 15, 19, 21, 23, 27, 29, 31, 35, 37, 39, 43, 45, 47, 51, 53, 55, 59, 61, 63, 67, 69, 71, 73, 75, 77, 79, 83, 85, 87, 89, 91, 93, 95, 99, 101, 103, 105, 107, 109, 111, 115, 117, 119, 121, 123, 125, 127, 131, 133, 135, 137, 139, 141, 143, 147, 149, 151, 153, 155]

cp's OEIS Frontend

A130569 Numbers of the form k*2^m + 1 for k odd, m >=1, that are not Proth numbers (A080075) (2^m <= k).

Table of values

List of values

n	a(n)
1	7
2	11
3	15
4	19
5	21
6	23
7	27
8	29
9	31
10	35
11	37
12	39
13	43
14	45
15	47
16	51
17	53
18	55
19	59
20	61
21	63
22	67
23	69
24	71
25	73
26	75
27	77
28	79
29	83
30	85
31	87
32	89
33	91
34	93
35	95
36	99
37	101
38	103
39	105
40	107
41	109
42	111
43	115
44	117
45	119
46	121
47	123
48	125
49	127
50	131
51	133
52	135
53	137
54	139
55	141
56	143
57	147
58	149
59	151
60	153
61	155

n	a(n)
1	7
2	11
3	15
4	19
5	21
6	23
7	27
8	29
9	31
10	35
11	37
12	39
13	43
14	45
15	47
16	51
17	53
18	55
19	59
20	61
21	63
22	67
23	69
24	71
25	73
26	75
27	77
28	79
29	83
30	85
31	87
32	89
33	91
34	93
35	95
36	99
37	101
38	103
39	105
40	107
41	109
42	111
43	115
44	117
45	119
46	121
47	123
48	125
49	127
50	131
51	133
52	135
53	137
54	139
55	141
56	143
57	147
58	149
59	151
60	153
61	155

n	a(n)
1	7
2	11
3	15
4	19
5	21
6	23
7	27
8	29
9	31
10	35
11	37
12	39
13	43
14	45
15	47
16	51
17	53
18	55
19	59
20	61
21	63
22	67
23	69
24	71
25	73
26	75
27	77
28	79
29	83
30	85
31	87
32	89
33	91
34	93
35	95
36	99
37	101
38	103
39	105
40	107
41	109
42	111
43	115
44	117
45	119
46	121
47	123
48	125
49	127
50	131
51	133
52	135
53	137
54	139
55	141
56	143
57	147
58	149
59	151
60	153
61	155