A166458 - cp's OEIS frontend

A166458 Numbers k such that 10*k - (-1)^k is prime.

n	a(n)
1	1
2	2
3	3
4	6
5	7
6	8
7	13
8	14
9	15
10	18
11	19
12	20
13	21
14	24
15	25
16	27
17	31
18	33
19	36
20	38
21	42
22	43
23	44
24	48
25	49
26	50
27	57
28	60
29	62
30	63
31	66
32	69
33	72
34	74
35	75
36	81
37	84
38	86
39	91
40	92
41	97
42	99
43	102
44	103
45	104
46	105
47	109
48	115
49	117
50	123
51	126
52	128
53	129
54	132
55	140
56	144
57	145
58	146
59	147
60	150
61	151
62	153
63	156
64	157

[1, 2, 3, 6, 7, 8, 13, 14, 15, 18, 19, 20, 21, 24, 25, 27, 31, 33, 36, 38, 42, 43, 44, 48, 49, 50, 57, 60, 62, 63, 66, 69, 72, 74, 75, 81, 84, 86, 91, 92, 97, 99, 102, 103, 104, 105, 109, 115, 117, 123, 126, 128, 129, 132, 140, 144, 145, 146, 147, 150, 151, 153, 156, 157]

cp's OEIS Frontend

A166458 Numbers k such that 10*k - (-1)^k is prime.

Table of values

List of values

n	a(n)
1	1
2	2
3	3
4	6
5	7
6	8
7	13
8	14
9	15
10	18
11	19
12	20
13	21
14	24
15	25
16	27
17	31
18	33
19	36
20	38
21	42
22	43
23	44
24	48
25	49
26	50
27	57
28	60
29	62
30	63
31	66
32	69
33	72
34	74
35	75
36	81
37	84
38	86
39	91
40	92
41	97
42	99
43	102
44	103
45	104
46	105
47	109
48	115
49	117
50	123
51	126
52	128
53	129
54	132
55	140
56	144
57	145
58	146
59	147
60	150
61	151
62	153
63	156
64	157

n	a(n)
1	1
2	2
3	3
4	6
5	7
6	8
7	13
8	14
9	15
10	18
11	19
12	20
13	21
14	24
15	25
16	27
17	31
18	33
19	36
20	38
21	42
22	43
23	44
24	48
25	49
26	50
27	57
28	60
29	62
30	63
31	66
32	69
33	72
34	74
35	75
36	81
37	84
38	86
39	91
40	92
41	97
42	99
43	102
44	103
45	104
46	105
47	109
48	115
49	117
50	123
51	126
52	128
53	129
54	132
55	140
56	144
57	145
58	146
59	147
60	150
61	151
62	153
63	156
64	157

n	a(n)
1	1
2	2
3	3
4	6
5	7
6	8
7	13
8	14
9	15
10	18
11	19
12	20
13	21
14	24
15	25
16	27
17	31
18	33
19	36
20	38
21	42
22	43
23	44
24	48
25	49
26	50
27	57
28	60
29	62
30	63
31	66
32	69
33	72
34	74
35	75
36	81
37	84
38	86
39	91
40	92
41	97
42	99
43	102
44	103
45	104
46	105
47	109
48	115
49	117
50	123
51	126
52	128
53	129
54	132
55	140
56	144
57	145
58	146
59	147
60	150
61	151
62	153
63	156
64	157