A323782 - cp's OEIS frontend

A323782 Prime numbers such that the reverse of the balanced ternary representation is a prime or a negated prime.

n	a(n)
1	2
2	5
3	7
4	11
5	13
6	17
7	29
8	31
9	37
10	43
11	53
12	59
13	61
14	71
15	73
16	83
17	89
18	101
19	103
20	137
21	139
22	149
23	163
24	173
25	179
26	181
27	193
28	199
29	223
30	233
31	241
32	263
33	269
34	277
35	311
36	313
37	331
38	347
39	353
40	367
41	373
42	379
43	383
44	389
45	401
46	421
47	443
48	449
49	457
50	467
51	479
52	487
53	499
54	509
55	541

[2, 5, 7, 11, 13, 17, 29, 31, 37, 43, 53, 59, 61, 71, 73, 83, 89, 101, 103, 137, 139, 149, 163, 173, 179, 181, 193, 199, 223, 233, 241, 263, 269, 277, 311, 313, 331, 347, 353, 367, 373, 379, 383, 389, 401, 421, 443, 449, 457, 467, 479, 487, 499, 509, 541]

cp's OEIS Frontend

A323782 Prime numbers such that the reverse of the balanced ternary representation is a prime or a negated prime.

Table of values

List of values

n	a(n)
1	2
2	5
3	7
4	11
5	13
6	17
7	29
8	31
9	37
10	43
11	53
12	59
13	61
14	71
15	73
16	83
17	89
18	101
19	103
20	137
21	139
22	149
23	163
24	173
25	179
26	181
27	193
28	199
29	223
30	233
31	241
32	263
33	269
34	277
35	311
36	313
37	331
38	347
39	353
40	367
41	373
42	379
43	383
44	389
45	401
46	421
47	443
48	449
49	457
50	467
51	479
52	487
53	499
54	509
55	541

n	a(n)
1	2
2	5
3	7
4	11
5	13
6	17
7	29
8	31
9	37
10	43
11	53
12	59
13	61
14	71
15	73
16	83
17	89
18	101
19	103
20	137
21	139
22	149
23	163
24	173
25	179
26	181
27	193
28	199
29	223
30	233
31	241
32	263
33	269
34	277
35	311
36	313
37	331
38	347
39	353
40	367
41	373
42	379
43	383
44	389
45	401
46	421
47	443
48	449
49	457
50	467
51	479
52	487
53	499
54	509
55	541

n	a(n)
1	2
2	5
3	7
4	11
5	13
6	17
7	29
8	31
9	37
10	43
11	53
12	59
13	61
14	71
15	73
16	83
17	89
18	101
19	103
20	137
21	139
22	149
23	163
24	173
25	179
26	181
27	193
28	199
29	223
30	233
31	241
32	263
33	269
34	277
35	311
36	313
37	331
38	347
39	353
40	367
41	373
42	379
43	383
44	389
45	401
46	421
47	443
48	449
49	457
50	467
51	479
52	487
53	499
54	509
55	541