A024912 - cp's OEIS frontend

A024912 Numbers k such that 10*k + 1 is prime.

n	a(n)
1	1
2	3
3	4
4	6
5	7
6	10
7	13
8	15
9	18
10	19
11	21
12	24
13	25
14	27
15	28
16	31
17	33
18	40
19	42
20	43
21	46
22	49
23	52
24	54
25	57
26	60
27	63
28	64
29	66
30	69
31	70
32	75
33	76
34	81
35	82
36	88
37	91
38	94
39	97
40	99
41	102
42	103
43	105
44	106
45	109
46	115
47	117
48	118
49	120
50	123
51	129
52	130
53	132
54	136
55	138
56	145
57	147
58	148
59	151
60	153
61	157
62	160
63	162

[1, 3, 4, 6, 7, 10, 13, 15, 18, 19, 21, 24, 25, 27, 28, 31, 33, 40, 42, 43, 46, 49, 52, 54, 57, 60, 63, 64, 66, 69, 70, 75, 76, 81, 82, 88, 91, 94, 97, 99, 102, 103, 105, 106, 109, 115, 117, 118, 120, 123, 129, 130, 132, 136, 138, 145, 147, 148, 151, 153, 157, 160, 162]

cp's OEIS Frontend

A024912 Numbers k such that 10*k + 1 is prime.

Table of values

List of values

n	a(n)
1	1
2	3
3	4
4	6
5	7
6	10
7	13
8	15
9	18
10	19
11	21
12	24
13	25
14	27
15	28
16	31
17	33
18	40
19	42
20	43
21	46
22	49
23	52
24	54
25	57
26	60
27	63
28	64
29	66
30	69
31	70
32	75
33	76
34	81
35	82
36	88
37	91
38	94
39	97
40	99
41	102
42	103
43	105
44	106
45	109
46	115
47	117
48	118
49	120
50	123
51	129
52	130
53	132
54	136
55	138
56	145
57	147
58	148
59	151
60	153
61	157
62	160
63	162

n	a(n)
1	1
2	3
3	4
4	6
5	7
6	10
7	13
8	15
9	18
10	19
11	21
12	24
13	25
14	27
15	28
16	31
17	33
18	40
19	42
20	43
21	46
22	49
23	52
24	54
25	57
26	60
27	63
28	64
29	66
30	69
31	70
32	75
33	76
34	81
35	82
36	88
37	91
38	94
39	97
40	99
41	102
42	103
43	105
44	106
45	109
46	115
47	117
48	118
49	120
50	123
51	129
52	130
53	132
54	136
55	138
56	145
57	147
58	148
59	151
60	153
61	157
62	160
63	162

n	a(n)
1	1
2	3
3	4
4	6
5	7
6	10
7	13
8	15
9	18
10	19
11	21
12	24
13	25
14	27
15	28
16	31
17	33
18	40
19	42
20	43
21	46
22	49
23	52
24	54
25	57
26	60
27	63
28	64
29	66
30	69
31	70
32	75
33	76
34	81
35	82
36	88
37	91
38	94
39	97
40	99
41	102
42	103
43	105
44	106
45	109
46	115
47	117
48	118
49	120
50	123
51	129
52	130
53	132
54	136
55	138
56	145
57	147
58	148
59	151
60	153
61	157
62	160
63	162