A093515 - cp's OEIS frontend

A093515 Numbers k such that either k or k-1 is a prime.

n	a(n)
1	2
2	3
3	4
4	5
5	6
6	7
7	8
8	11
9	12
10	13
11	14
12	17
13	18
14	19
15	20
16	23
17	24
18	29
19	30
20	31
21	32
22	37
23	38
24	41
25	42
26	43
27	44
28	47
29	48
30	53
31	54
32	59
33	60
34	61
35	62
36	67
37	68
38	71
39	72
40	73
41	74
42	79
43	80
44	83
45	84
46	89
47	90
48	97
49	98
50	101
51	102
52	103
53	104
54	107
55	108
56	109
57	110
58	113
59	114
60	127
61	128
62	131
63	132
64	137
65	138
66	139

[2, 3, 4, 5, 6, 7, 8, 11, 12, 13, 14, 17, 18, 19, 20, 23, 24, 29, 30, 31, 32, 37, 38, 41, 42, 43, 44, 47, 48, 53, 54, 59, 60, 61, 62, 67, 68, 71, 72, 73, 74, 79, 80, 83, 84, 89, 90, 97, 98, 101, 102, 103, 104, 107, 108, 109, 110, 113, 114, 127, 128, 131, 132, 137, 138, 139]

cp's OEIS Frontend

A093515 Numbers k such that either k or k-1 is a prime.

Table of values

List of values

n	a(n)
1	2
2	3
3	4
4	5
5	6
6	7
7	8
8	11
9	12
10	13
11	14
12	17
13	18
14	19
15	20
16	23
17	24
18	29
19	30
20	31
21	32
22	37
23	38
24	41
25	42
26	43
27	44
28	47
29	48
30	53
31	54
32	59
33	60
34	61
35	62
36	67
37	68
38	71
39	72
40	73
41	74
42	79
43	80
44	83
45	84
46	89
47	90
48	97
49	98
50	101
51	102
52	103
53	104
54	107
55	108
56	109
57	110
58	113
59	114
60	127
61	128
62	131
63	132
64	137
65	138
66	139

n	a(n)
1	2
2	3
3	4
4	5
5	6
6	7
7	8
8	11
9	12
10	13
11	14
12	17
13	18
14	19
15	20
16	23
17	24
18	29
19	30
20	31
21	32
22	37
23	38
24	41
25	42
26	43
27	44
28	47
29	48
30	53
31	54
32	59
33	60
34	61
35	62
36	67
37	68
38	71
39	72
40	73
41	74
42	79
43	80
44	83
45	84
46	89
47	90
48	97
49	98
50	101
51	102
52	103
53	104
54	107
55	108
56	109
57	110
58	113
59	114
60	127
61	128
62	131
63	132
64	137
65	138
66	139

n	a(n)
1	2
2	3
3	4
4	5
5	6
6	7
7	8
8	11
9	12
10	13
11	14
12	17
13	18
14	19
15	20
16	23
17	24
18	29
19	30
20	31
21	32
22	37
23	38
24	41
25	42
26	43
27	44
28	47
29	48
30	53
31	54
32	59
33	60
34	61
35	62
36	67
37	68
38	71
39	72
40	73
41	74
42	79
43	80
44	83
45	84
46	89
47	90
48	97
49	98
50	101
51	102
52	103
53	104
54	107
55	108
56	109
57	110
58	113
59	114
60	127
61	128
62	131
63	132
64	137
65	138
66	139