A080608 - cp's OEIS frontend

A080608 Deletable primes: primes such that removing some digit leaves either the empty string or another deletable prime (possibly preceded by some zeros).

n	a(n)
1	2
2	3
3	5
4	7
5	13
6	17
7	23
8	29
9	31
10	37
11	43
12	47
13	53
14	59
15	67
16	71
17	73
18	79
19	83
20	97
21	103
22	107
23	113
24	127
25	131
26	137
27	139
28	157
29	163
30	167
31	173
32	179
33	193
34	197
35	223
36	229
37	233
38	239
39	263
40	269
41	271
42	283
43	293
44	307
45	311
46	313
47	317
48	331
49	337
50	347
51	353
52	359
53	367
54	373
55	379
56	383
57	397
58	431
59	433
60	439

[2, 3, 5, 7, 13, 17, 23, 29, 31, 37, 43, 47, 53, 59, 67, 71, 73, 79, 83, 97, 103, 107, 113, 127, 131, 137, 139, 157, 163, 167, 173, 179, 193, 197, 223, 229, 233, 239, 263, 269, 271, 283, 293, 307, 311, 313, 317, 331, 337, 347, 353, 359, 367, 373, 379, 383, 397, 431, 433, 439]

cp's OEIS Frontend

A080608 Deletable primes: primes such that removing some digit leaves either the empty string or another deletable prime (possibly preceded by some zeros).

Table of values

List of values

n	a(n)
1	2
2	3
3	5
4	7
5	13
6	17
7	23
8	29
9	31
10	37
11	43
12	47
13	53
14	59
15	67
16	71
17	73
18	79
19	83
20	97
21	103
22	107
23	113
24	127
25	131
26	137
27	139
28	157
29	163
30	167
31	173
32	179
33	193
34	197
35	223
36	229
37	233
38	239
39	263
40	269
41	271
42	283
43	293
44	307
45	311
46	313
47	317
48	331
49	337
50	347
51	353
52	359
53	367
54	373
55	379
56	383
57	397
58	431
59	433
60	439

n	a(n)
1	2
2	3
3	5
4	7
5	13
6	17
7	23
8	29
9	31
10	37
11	43
12	47
13	53
14	59
15	67
16	71
17	73
18	79
19	83
20	97
21	103
22	107
23	113
24	127
25	131
26	137
27	139
28	157
29	163
30	167
31	173
32	179
33	193
34	197
35	223
36	229
37	233
38	239
39	263
40	269
41	271
42	283
43	293
44	307
45	311
46	313
47	317
48	331
49	337
50	347
51	353
52	359
53	367
54	373
55	379
56	383
57	397
58	431
59	433
60	439

n	a(n)
1	2
2	3
3	5
4	7
5	13
6	17
7	23
8	29
9	31
10	37
11	43
12	47
13	53
14	59
15	67
16	71
17	73
18	79
19	83
20	97
21	103
22	107
23	113
24	127
25	131
26	137
27	139
28	157
29	163
30	167
31	173
32	179
33	193
34	197
35	223
36	229
37	233
38	239
39	263
40	269
41	271
42	283
43	293
44	307
45	311
46	313
47	317
48	331
49	337
50	347
51	353
52	359
53	367
54	373
55	379
56	383
57	397
58	431
59	433
60	439