A226099 - cp's OEIS frontend

A226099 Positive integers that yield a prime when their most significant (i.e., leftmost) decimal digit is removed.

n	a(n)
1	12
2	13
3	15
4	17
5	22
6	23
7	25
8	27
9	32
10	33
11	35
12	37
13	42
14	43
15	45
16	47
17	52
18	53
19	55
20	57
21	62
22	63
23	65
24	67
25	72
26	73
27	75
28	77
29	82
30	83
31	85
32	87
33	92
34	93
35	95
36	97
37	102
38	103
39	105
40	107
41	111
42	113
43	117
44	119
45	123
46	129
47	131
48	137
49	141
50	143
51	147
52	153
53	159
54	161
55	167
56	171
57	173
58	179
59	183
60	189
61	197
62	202
63	203
64	205
65	207
66	211
67	213
68	217

[12, 13, 15, 17, 22, 23, 25, 27, 32, 33, 35, 37, 42, 43, 45, 47, 52, 53, 55, 57, 62, 63, 65, 67, 72, 73, 75, 77, 82, 83, 85, 87, 92, 93, 95, 97, 102, 103, 105, 107, 111, 113, 117, 119, 123, 129, 131, 137, 141, 143, 147, 153, 159, 161, 167, 171, 173, 179, 183, 189, 197, 202, 203, 205, 207, 211, 213, 217]

cp's OEIS Frontend

A226099 Positive integers that yield a prime when their most significant (i.e., leftmost) decimal digit is removed.

Table of values

List of values

n	a(n)
1	12
2	13
3	15
4	17
5	22
6	23
7	25
8	27
9	32
10	33
11	35
12	37
13	42
14	43
15	45
16	47
17	52
18	53
19	55
20	57
21	62
22	63
23	65
24	67
25	72
26	73
27	75
28	77
29	82
30	83
31	85
32	87
33	92
34	93
35	95
36	97
37	102
38	103
39	105
40	107
41	111
42	113
43	117
44	119
45	123
46	129
47	131
48	137
49	141
50	143
51	147
52	153
53	159
54	161
55	167
56	171
57	173
58	179
59	183
60	189
61	197
62	202
63	203
64	205
65	207
66	211
67	213
68	217

n	a(n)
1	12
2	13
3	15
4	17
5	22
6	23
7	25
8	27
9	32
10	33
11	35
12	37
13	42
14	43
15	45
16	47
17	52
18	53
19	55
20	57
21	62
22	63
23	65
24	67
25	72
26	73
27	75
28	77
29	82
30	83
31	85
32	87
33	92
34	93
35	95
36	97
37	102
38	103
39	105
40	107
41	111
42	113
43	117
44	119
45	123
46	129
47	131
48	137
49	141
50	143
51	147
52	153
53	159
54	161
55	167
56	171
57	173
58	179
59	183
60	189
61	197
62	202
63	203
64	205
65	207
66	211
67	213
68	217

n	a(n)
1	12
2	13
3	15
4	17
5	22
6	23
7	25
8	27
9	32
10	33
11	35
12	37
13	42
14	43
15	45
16	47
17	52
18	53
19	55
20	57
21	62
22	63
23	65
24	67
25	72
26	73
27	75
28	77
29	82
30	83
31	85
32	87
33	92
34	93
35	95
36	97
37	102
38	103
39	105
40	107
41	111
42	113
43	117
44	119
45	123
46	129
47	131
48	137
49	141
50	143
51	147
52	153
53	159
54	161
55	167
56	171
57	173
58	179
59	183
60	189
61	197
62	202
63	203
64	205
65	207
66	211
67	213
68	217