A059471 - cp's OEIS frontend

A059471 a(1) = 2; a(n+1) is obtained by trying to change just one digit of a(n), starting with the least significant digit, until a new prime is reached.

n	a(n)
1	2
2	3
3	5
4	7
5	17
6	11
7	13
8	19
9	29
10	23
11	43
12	41
13	47
14	37
15	31
16	61
17	67
18	97
19	197
20	191
21	193
22	199
23	109
24	101
25	103
26	107
27	127
28	137
29	131
30	139
31	149
32	179
33	173
34	113
35	163
36	167
37	157
38	151
39	181
40	281
41	283
42	223
43	227
44	229
45	239
46	233
47	263
48	269
49	569
50	563
51	503
52	509
53	599
54	593
55	523
56	521
57	541
58	547
59	557

[2, 3, 5, 7, 17, 11, 13, 19, 29, 23, 43, 41, 47, 37, 31, 61, 67, 97, 197, 191, 193, 199, 109, 101, 103, 107, 127, 137, 131, 139, 149, 179, 173, 113, 163, 167, 157, 151, 181, 281, 283, 223, 227, 229, 239, 233, 263, 269, 569, 563, 503, 509, 599, 593, 523, 521, 541, 547, 557]

cp's OEIS Frontend

A059471 a(1) = 2; a(n+1) is obtained by trying to change just one digit of a(n), starting with the least significant digit, until a new prime is reached.

Table of values

List of values

n	a(n)
1	2
2	3
3	5
4	7
5	17
6	11
7	13
8	19
9	29
10	23
11	43
12	41
13	47
14	37
15	31
16	61
17	67
18	97
19	197
20	191
21	193
22	199
23	109
24	101
25	103
26	107
27	127
28	137
29	131
30	139
31	149
32	179
33	173
34	113
35	163
36	167
37	157
38	151
39	181
40	281
41	283
42	223
43	227
44	229
45	239
46	233
47	263
48	269
49	569
50	563
51	503
52	509
53	599
54	593
55	523
56	521
57	541
58	547
59	557

n	a(n)
1	2
2	3
3	5
4	7
5	17
6	11
7	13
8	19
9	29
10	23
11	43
12	41
13	47
14	37
15	31
16	61
17	67
18	97
19	197
20	191
21	193
22	199
23	109
24	101
25	103
26	107
27	127
28	137
29	131
30	139
31	149
32	179
33	173
34	113
35	163
36	167
37	157
38	151
39	181
40	281
41	283
42	223
43	227
44	229
45	239
46	233
47	263
48	269
49	569
50	563
51	503
52	509
53	599
54	593
55	523
56	521
57	541
58	547
59	557

n	a(n)
1	2
2	3
3	5
4	7
5	17
6	11
7	13
8	19
9	29
10	23
11	43
12	41
13	47
14	37
15	31
16	61
17	67
18	97
19	197
20	191
21	193
22	199
23	109
24	101
25	103
26	107
27	127
28	137
29	131
30	139
31	149
32	179
33	173
34	113
35	163
36	167
37	157
38	151
39	181
40	281
41	283
42	223
43	227
44	229
45	239
46	233
47	263
48	269
49	569
50	563
51	503
52	509
53	599
54	593
55	523
56	521
57	541
58	547
59	557