A014661 - cp's OEIS frontend

A014661 Numbers that do not divide 2^k + 1 for any k>0.

n	a(n)
1	2
2	4
3	6
4	7
5	8
6	10
7	12
8	14
9	15
10	16
11	18
12	20
13	21
14	22
15	23
16	24
17	26
18	28
19	30
20	31
21	32
22	34
23	35
24	36
25	38
26	39
27	40
28	42
29	44
30	45
31	46
32	47
33	48
34	49
35	50
36	51
37	52
38	54
39	55
40	56
41	58
42	60
43	62
44	63
45	64
46	66
47	68
48	69
49	70
50	71
51	72
52	73
53	74
54	75
55	76
56	77
57	78
58	79
59	80
60	82
61	84
62	85
63	86
64	87
65	88
66	89
67	90
68	91
69	92
70	93
71	94

[2, 4, 6, 7, 8, 10, 12, 14, 15, 16, 18, 20, 21, 22, 23, 24, 26, 28, 30, 31, 32, 34, 35, 36, 38, 39, 40, 42, 44, 45, 46, 47, 48, 49, 50, 51, 52, 54, 55, 56, 58, 60, 62, 63, 64, 66, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 82, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94]

cp's OEIS Frontend

A014661 Numbers that do not divide 2^k + 1 for any k>0.

Table of values

List of values

n	a(n)
1	2
2	4
3	6
4	7
5	8
6	10
7	12
8	14
9	15
10	16
11	18
12	20
13	21
14	22
15	23
16	24
17	26
18	28
19	30
20	31
21	32
22	34
23	35
24	36
25	38
26	39
27	40
28	42
29	44
30	45
31	46
32	47
33	48
34	49
35	50
36	51
37	52
38	54
39	55
40	56
41	58
42	60
43	62
44	63
45	64
46	66
47	68
48	69
49	70
50	71
51	72
52	73
53	74
54	75
55	76
56	77
57	78
58	79
59	80
60	82
61	84
62	85
63	86
64	87
65	88
66	89
67	90
68	91
69	92
70	93
71	94

n	a(n)
1	2
2	4
3	6
4	7
5	8
6	10
7	12
8	14
9	15
10	16
11	18
12	20
13	21
14	22
15	23
16	24
17	26
18	28
19	30
20	31
21	32
22	34
23	35
24	36
25	38
26	39
27	40
28	42
29	44
30	45
31	46
32	47
33	48
34	49
35	50
36	51
37	52
38	54
39	55
40	56
41	58
42	60
43	62
44	63
45	64
46	66
47	68
48	69
49	70
50	71
51	72
52	73
53	74
54	75
55	76
56	77
57	78
58	79
59	80
60	82
61	84
62	85
63	86
64	87
65	88
66	89
67	90
68	91
69	92
70	93
71	94

n	a(n)
1	2
2	4
3	6
4	7
5	8
6	10
7	12
8	14
9	15
10	16
11	18
12	20
13	21
14	22
15	23
16	24
17	26
18	28
19	30
20	31
21	32
22	34
23	35
24	36
25	38
26	39
27	40
28	42
29	44
30	45
31	46
32	47
33	48
34	49
35	50
36	51
37	52
38	54
39	55
40	56
41	58
42	60
43	62
44	63
45	64
46	66
47	68
48	69
49	70
50	71
51	72
52	73
53	74
54	75
55	76
56	77
57	78
58	79
59	80
60	82
61	84
62	85
63	86
64	87
65	88
66	89
67	90
68	91
69	92
70	93
71	94