A348358 - cp's OEIS frontend

A348358 Primes which are not the concatenation of smaller primes (in base 10 and allowing leading 0's).

n	a(n)
1	2
2	3
3	5
4	7
5	11
6	13
7	17
8	19
9	29
10	31
11	41
12	43
13	47
14	59
15	61
16	67
17	71
18	79
19	83
20	89
21	97
22	101
23	103
24	107
25	109
26	127
27	131
28	139
29	149
30	151
31	157
32	163
33	167
34	179
35	181
36	191
37	199
38	239
39	251
40	263
41	269
42	281
43	349
44	401
45	409
46	419
47	421
48	431
49	439
50	443
51	449
52	457
53	461
54	463
55	467
56	479
57	487
58	491
59	499

[2, 3, 5, 7, 11, 13, 17, 19, 29, 31, 41, 43, 47, 59, 61, 67, 71, 79, 83, 89, 97, 101, 103, 107, 109, 127, 131, 139, 149, 151, 157, 163, 167, 179, 181, 191, 199, 239, 251, 263, 269, 281, 349, 401, 409, 419, 421, 431, 439, 443, 449, 457, 461, 463, 467, 479, 487, 491, 499]

cp's OEIS Frontend

A348358 Primes which are not the concatenation of smaller primes (in base 10 and allowing leading 0's).

Table of values

List of values

n	a(n)
1	2
2	3
3	5
4	7
5	11
6	13
7	17
8	19
9	29
10	31
11	41
12	43
13	47
14	59
15	61
16	67
17	71
18	79
19	83
20	89
21	97
22	101
23	103
24	107
25	109
26	127
27	131
28	139
29	149
30	151
31	157
32	163
33	167
34	179
35	181
36	191
37	199
38	239
39	251
40	263
41	269
42	281
43	349
44	401
45	409
46	419
47	421
48	431
49	439
50	443
51	449
52	457
53	461
54	463
55	467
56	479
57	487
58	491
59	499

n	a(n)
1	2
2	3
3	5
4	7
5	11
6	13
7	17
8	19
9	29
10	31
11	41
12	43
13	47
14	59
15	61
16	67
17	71
18	79
19	83
20	89
21	97
22	101
23	103
24	107
25	109
26	127
27	131
28	139
29	149
30	151
31	157
32	163
33	167
34	179
35	181
36	191
37	199
38	239
39	251
40	263
41	269
42	281
43	349
44	401
45	409
46	419
47	421
48	431
49	439
50	443
51	449
52	457
53	461
54	463
55	467
56	479
57	487
58	491
59	499

n	a(n)
1	2
2	3
3	5
4	7
5	11
6	13
7	17
8	19
9	29
10	31
11	41
12	43
13	47
14	59
15	61
16	67
17	71
18	79
19	83
20	89
21	97
22	101
23	103
24	107
25	109
26	127
27	131
28	139
29	149
30	151
31	157
32	163
33	167
34	179
35	181
36	191
37	199
38	239
39	251
40	263
41	269
42	281
43	349
44	401
45	409
46	419
47	421
48	431
49	439
50	443
51	449
52	457
53	461
54	463
55	467
56	479
57	487
58	491
59	499