A075321 - cp's OEIS frontend

A075321 Pair the odd primes so that the n-th pair is (p, p+2n) where p is the smallest prime not included earlier such that p and p+2n are primes and p+2n also does not occur earlier: (3, 5), (7, 11), (13, 19), (23, 31), (37, 47), (17, 29), (53, 67) ... This is the sequence of the first member of every pair.

n	a(n)
1	3
2	7
3	13
4	23
5	37
6	17
7	53
8	43
9	61
10	83
11	109
12	73
13	101
14	139
15	41
16	149
17	157
18	137
19	113
20	193
21	197
22	179
23	211
24	229
25	263
26	199
27	227
28	107
29	331
30	293
31	311
32	283
33	241
34	269
35	349
36	359
37	383
38	367
39	401
40	317
41	379
42	439
43	491
44	421
45	409
46	449
47	463
48	467

[3, 7, 13, 23, 37, 17, 53, 43, 61, 83, 109, 73, 101, 139, 41, 149, 157, 137, 113, 193, 197, 179, 211, 229, 263, 199, 227, 107, 331, 293, 311, 283, 241, 269, 349, 359, 383, 367, 401, 317, 379, 439, 491, 421, 409, 449, 463, 467]

cp's OEIS Frontend

Table of values

List of values

n	a(n)
1	3
2	7
3	13
4	23
5	37
6	17
7	53
8	43
9	61
10	83
11	109
12	73
13	101
14	139
15	41
16	149
17	157
18	137
19	113
20	193
21	197
22	179
23	211
24	229
25	263
26	199
27	227
28	107
29	331
30	293
31	311
32	283
33	241
34	269
35	349
36	359
37	383
38	367
39	401
40	317
41	379
42	439
43	491
44	421
45	409
46	449
47	463
48	467

n	a(n)
1	3
2	7
3	13
4	23
5	37
6	17
7	53
8	43
9	61
10	83
11	109
12	73
13	101
14	139
15	41
16	149
17	157
18	137
19	113
20	193
21	197
22	179
23	211
24	229
25	263
26	199
27	227
28	107
29	331
30	293
31	311
32	283
33	241
34	269
35	349
36	359
37	383
38	367
39	401
40	317
41	379
42	439
43	491
44	421
45	409
46	449
47	463
48	467

n	a(n)
1	3
2	7
3	13
4	23
5	37
6	17
7	53
8	43
9	61
10	83
11	109
12	73
13	101
14	139
15	41
16	149
17	157
18	137
19	113
20	193
21	197
22	179
23	211
24	229
25	263
26	199
27	227
28	107
29	331
30	293
31	311
32	283
33	241
34	269
35	349
36	359
37	383
38	367
39	401
40	317
41	379
42	439
43	491
44	421
45	409
46	449
47	463
48	467