A099797 - cp's OEIS frontend

A099797 a(n) is taken to be the smallest positive integer greater than a(n-1) which is consistent with the condition "n is a member of the sequence if and only if a(n) is composite".

n	a(n)
1	2
2	4
3	5
4	6
5	8
6	9
7	11
8	12
9	14
10	17
11	18
12	20
13	23
14	24
15	29
16	31
17	32
18	33
19	37
20	38
21	41
22	43
23	44
24	45
25	47
26	53
27	59
28	61
29	62
30	67
31	68
32	69
33	70
34	71
35	73
36	79
37	80
38	81
39	83
40	89
41	90
42	97
43	98
44	99
45	100
46	101
47	102
48	103
49	107
50	109
51	113
52	127
53	128
54	131
55	137
56	139
57	149
58	151
59	152
60	157
61	158
62	159
63	163
64	167

[2, 4, 5, 6, 8, 9, 11, 12, 14, 17, 18, 20, 23, 24, 29, 31, 32, 33, 37, 38, 41, 43, 44, 45, 47, 53, 59, 61, 62, 67, 68, 69, 70, 71, 73, 79, 80, 81, 83, 89, 90, 97, 98, 99, 100, 101, 102, 103, 107, 109, 113, 127, 128, 131, 137, 139, 149, 151, 152, 157, 158, 159, 163, 167]

cp's OEIS Frontend

A099797 a(n) is taken to be the smallest positive integer greater than a(n-1) which is consistent with the condition "n is a member of the sequence if and only if a(n) is composite".

Table of values

List of values

n	a(n)
1	2
2	4
3	5
4	6
5	8
6	9
7	11
8	12
9	14
10	17
11	18
12	20
13	23
14	24
15	29
16	31
17	32
18	33
19	37
20	38
21	41
22	43
23	44
24	45
25	47
26	53
27	59
28	61
29	62
30	67
31	68
32	69
33	70
34	71
35	73
36	79
37	80
38	81
39	83
40	89
41	90
42	97
43	98
44	99
45	100
46	101
47	102
48	103
49	107
50	109
51	113
52	127
53	128
54	131
55	137
56	139
57	149
58	151
59	152
60	157
61	158
62	159
63	163
64	167

n	a(n)
1	2
2	4
3	5
4	6
5	8
6	9
7	11
8	12
9	14
10	17
11	18
12	20
13	23
14	24
15	29
16	31
17	32
18	33
19	37
20	38
21	41
22	43
23	44
24	45
25	47
26	53
27	59
28	61
29	62
30	67
31	68
32	69
33	70
34	71
35	73
36	79
37	80
38	81
39	83
40	89
41	90
42	97
43	98
44	99
45	100
46	101
47	102
48	103
49	107
50	109
51	113
52	127
53	128
54	131
55	137
56	139
57	149
58	151
59	152
60	157
61	158
62	159
63	163
64	167

n	a(n)
1	2
2	4
3	5
4	6
5	8
6	9
7	11
8	12
9	14
10	17
11	18
12	20
13	23
14	24
15	29
16	31
17	32
18	33
19	37
20	38
21	41
22	43
23	44
24	45
25	47
26	53
27	59
28	61
29	62
30	67
31	68
32	69
33	70
34	71
35	73
36	79
37	80
38	81
39	83
40	89
41	90
42	97
43	98
44	99
45	100
46	101
47	102
48	103
49	107
50	109
51	113
52	127
53	128
54	131
55	137
56	139
57	149
58	151
59	152
60	157
61	158
62	159
63	163
64	167