A171051 - cp's OEIS frontend

A171051 In the sequence of prime numbers, replace all the '9' digits with '2' and vice versa.

n	a(n)
1	9
2	3
3	5
4	7
5	11
6	13
7	17
8	12
9	93
10	92
11	31
12	37
13	41
14	43
15	47
16	53
17	52
18	61
19	67
20	71
21	73
22	72
23	83
24	82
25	27
26	101
27	103
28	107
29	102
30	113
31	197
32	131
33	137
34	132
35	142
36	151
37	157
38	163
39	167
40	173
41	172
42	181
43	121
44	123
45	127
46	122
47	911
48	993
49	997
50	992
51	933
52	932
53	941
54	951
55	957
56	963

[9, 3, 5, 7, 11, 13, 17, 12, 93, 92, 31, 37, 41, 43, 47, 53, 52, 61, 67, 71, 73, 72, 83, 82, 27, 101, 103, 107, 102, 113, 197, 131, 137, 132, 142, 151, 157, 163, 167, 173, 172, 181, 121, 123, 127, 122, 911, 993, 997, 992, 933, 932, 941, 951, 957, 963]

cp's OEIS Frontend

A171051 In the sequence of prime numbers, replace all the '9' digits with '2' and vice versa.

Table of values

List of values

n	a(n)
1	9
2	3
3	5
4	7
5	11
6	13
7	17
8	12
9	93
10	92
11	31
12	37
13	41
14	43
15	47
16	53
17	52
18	61
19	67
20	71
21	73
22	72
23	83
24	82
25	27
26	101
27	103
28	107
29	102
30	113
31	197
32	131
33	137
34	132
35	142
36	151
37	157
38	163
39	167
40	173
41	172
42	181
43	121
44	123
45	127
46	122
47	911
48	993
49	997
50	992
51	933
52	932
53	941
54	951
55	957
56	963

n	a(n)
1	9
2	3
3	5
4	7
5	11
6	13
7	17
8	12
9	93
10	92
11	31
12	37
13	41
14	43
15	47
16	53
17	52
18	61
19	67
20	71
21	73
22	72
23	83
24	82
25	27
26	101
27	103
28	107
29	102
30	113
31	197
32	131
33	137
34	132
35	142
36	151
37	157
38	163
39	167
40	173
41	172
42	181
43	121
44	123
45	127
46	122
47	911
48	993
49	997
50	992
51	933
52	932
53	941
54	951
55	957
56	963

n	a(n)
1	9
2	3
3	5
4	7
5	11
6	13
7	17
8	12
9	93
10	92
11	31
12	37
13	41
14	43
15	47
16	53
17	52
18	61
19	67
20	71
21	73
22	72
23	83
24	82
25	27
26	101
27	103
28	107
29	102
30	113
31	197
32	131
33	137
34	132
35	142
36	151
37	157
38	163
39	167
40	173
41	172
42	181
43	121
44	123
45	127
46	122
47	911
48	993
49	997
50	992
51	933
52	932
53	941
54	951
55	957
56	963