A339652 - cp's OEIS frontend

A339652 a(n) is the least number k such that 2k+1 has exactly n expressions as p+2q where p and q are primes, or 0 if there is no such k.

n	a(n)
0	1
1	3
2	4
3	10
4	8
5	16
6	22
7	25
8	37
9	49
10	55
11	46
12	52
13	67
14	76
15	100
16	82
17	124
18	115
19	118
20	160
21	112
22	136
23	181
24	205
25	196
26	142
27	157
28	235
29	241
30	217
31	202
32	232
33	277
34	340
35	247
36	391
37	337
38	436
39	424
40	481
41	864
42	292
43	262
44	448
45	397
46	520
47	457
48	367
49	427
50	595
51	412
52	382
53	547
54	487
55	502
56	517
57	562
58	655
59	703
60	598
61	760
62	592

[1, 3, 4, 10, 8, 16, 22, 25, 37, 49, 55, 46, 52, 67, 76, 100, 82, 124, 115, 118, 160, 112, 136, 181, 205, 196, 142, 157, 235, 241, 217, 202, 232, 277, 340, 247, 391, 337, 436, 424, 481, 864, 292, 262, 448, 397, 520, 457, 367, 427, 595, 412, 382, 547, 487, 502, 517, 562, 655, 703, 598, 760, 592]

cp's OEIS Frontend

A339652 a(n) is the least number k such that 2k+1 has exactly n expressions as p+2q where p and q are primes, or 0 if there is no such k.

Table of values

List of values

n	a(n)
0	1
1	3
2	4
3	10
4	8
5	16
6	22
7	25
8	37
9	49
10	55
11	46
12	52
13	67
14	76
15	100
16	82
17	124
18	115
19	118
20	160
21	112
22	136
23	181
24	205
25	196
26	142
27	157
28	235
29	241
30	217
31	202
32	232
33	277
34	340
35	247
36	391
37	337
38	436
39	424
40	481
41	864
42	292
43	262
44	448
45	397
46	520
47	457
48	367
49	427
50	595
51	412
52	382
53	547
54	487
55	502
56	517
57	562
58	655
59	703
60	598
61	760
62	592

n	a(n)
0	1
1	3
2	4
3	10
4	8
5	16
6	22
7	25
8	37
9	49
10	55
11	46
12	52
13	67
14	76
15	100
16	82
17	124
18	115
19	118
20	160
21	112
22	136
23	181
24	205
25	196
26	142
27	157
28	235
29	241
30	217
31	202
32	232
33	277
34	340
35	247
36	391
37	337
38	436
39	424
40	481
41	864
42	292
43	262
44	448
45	397
46	520
47	457
48	367
49	427
50	595
51	412
52	382
53	547
54	487
55	502
56	517
57	562
58	655
59	703
60	598
61	760
62	592

cp's OEIS Frontend

A339652 a(n) is the least number k such that 2*k+1 has exactly n expressions as p+2*q where p and q are primes, or 0 if there is no such k.

Table of values

List of values

A339652 a(n) is the least number k such that 2k+1 has exactly n expressions as p+2q where p and q are primes, or 0 if there is no such k.

n	a(n)
0	1
1	3
2	4
3	10
4	8
5	16
6	22
7	25
8	37
9	49
10	55
11	46
12	52
13	67
14	76
15	100
16	82
17	124
18	115
19	118
20	160
21	112
22	136
23	181
24	205
25	196
26	142
27	157
28	235
29	241
30	217
31	202
32	232
33	277
34	340
35	247
36	391
37	337
38	436
39	424
40	481
41	864
42	292
43	262
44	448
45	397
46	520
47	457
48	367
49	427
50	595
51	412
52	382
53	547
54	487
55	502
56	517
57	562
58	655
59	703
60	598
61	760
62	592