A192861 - cp's OEIS frontend

A192861 Flat numbers: odd n such that n+1 is a squarefree number times a power of two.

n	a(n)
1	1
2	3
3	5
4	7
5	9
6	11
7	13
8	15
9	19
10	21
11	23
12	25
13	27
14	29
15	31
16	33
17	37
18	39
19	41
20	43
21	45
22	47
23	51
24	55
25	57
26	59
27	61
28	63
29	65
30	67
31	69
32	73
33	75
34	77
35	79
36	81
37	83
38	85
39	87
40	91
41	93
42	95
43	101
44	103
45	105
46	109
47	111
48	113
49	115
50	117
51	119
52	121
53	123
54	127
55	129
56	131
57	133
58	135
59	137
60	139
61	141

[1, 3, 5, 7, 9, 11, 13, 15, 19, 21, 23, 25, 27, 29, 31, 33, 37, 39, 41, 43, 45, 47, 51, 55, 57, 59, 61, 63, 65, 67, 69, 73, 75, 77, 79, 81, 83, 85, 87, 91, 93, 95, 101, 103, 105, 109, 111, 113, 115, 117, 119, 121, 123, 127, 129, 131, 133, 135, 137, 139, 141]

cp's OEIS Frontend

A192861 Flat numbers: odd n such that n+1 is a squarefree number times a power of two.

Table of values

List of values

n	a(n)
1	1
2	3
3	5
4	7
5	9
6	11
7	13
8	15
9	19
10	21
11	23
12	25
13	27
14	29
15	31
16	33
17	37
18	39
19	41
20	43
21	45
22	47
23	51
24	55
25	57
26	59
27	61
28	63
29	65
30	67
31	69
32	73
33	75
34	77
35	79
36	81
37	83
38	85
39	87
40	91
41	93
42	95
43	101
44	103
45	105
46	109
47	111
48	113
49	115
50	117
51	119
52	121
53	123
54	127
55	129
56	131
57	133
58	135
59	137
60	139
61	141

n	a(n)
1	1
2	3
3	5
4	7
5	9
6	11
7	13
8	15
9	19
10	21
11	23
12	25
13	27
14	29
15	31
16	33
17	37
18	39
19	41
20	43
21	45
22	47
23	51
24	55
25	57
26	59
27	61
28	63
29	65
30	67
31	69
32	73
33	75
34	77
35	79
36	81
37	83
38	85
39	87
40	91
41	93
42	95
43	101
44	103
45	105
46	109
47	111
48	113
49	115
50	117
51	119
52	121
53	123
54	127
55	129
56	131
57	133
58	135
59	137
60	139
61	141

n	a(n)
1	1
2	3
3	5
4	7
5	9
6	11
7	13
8	15
9	19
10	21
11	23
12	25
13	27
14	29
15	31
16	33
17	37
18	39
19	41
20	43
21	45
22	47
23	51
24	55
25	57
26	59
27	61
28	63
29	65
30	67
31	69
32	73
33	75
34	77
35	79
36	81
37	83
38	85
39	87
40	91
41	93
42	95
43	101
44	103
45	105
46	109
47	111
48	113
49	115
50	117
51	119
52	121
53	123
54	127
55	129
56	131
57	133
58	135
59	137
60	139
61	141