A381766 - cp's OEIS frontend

A381766 Starting from the n-th prime, a(n) is the minimum number > 1 of consecutive primes whose sum is the average of a twin prime pair.

n	a(n)
1	57
2	180
3	2
4	2
5	4
6	2
7	8
8	2
9	100
10	2
11	16
12	18
13	26
14	12
15	160
16	4
17	70
18	70
19	2
20	12
21	6
22	4
23	76
24	202
25	2
26	4
27	4
28	10
29	24
30	2
31	14
32	18
33	22
34	8
35	8
36	48
37	4
38	72
39	132
40	224
41	180
42	142
43	10
44	96
45	24
46	10
47	24
48	124
49	76
50	2
51	164
52	34
53	196
54	120
55	34
56	24
57	128
58	118
59	8
60	6
61	34
62	2
63	2
64	8
65	116
66	18
67	552
68	6

[57, 180, 2, 2, 4, 2, 8, 2, 100, 2, 16, 18, 26, 12, 160, 4, 70, 70, 2, 12, 6, 4, 76, 202, 2, 4, 4, 10, 24, 2, 14, 18, 22, 8, 8, 48, 4, 72, 132, 224, 180, 142, 10, 96, 24, 10, 24, 124, 76, 2, 164, 34, 196, 120, 34, 24, 128, 118, 8, 6, 34, 2, 2, 8, 116, 18, 552, 6]

cp's OEIS Frontend

A381766 Starting from the n-th prime, a(n) is the minimum number > 1 of consecutive primes whose sum is the average of a twin prime pair.

Table of values

List of values

n	a(n)
1	57
2	180
3	2
4	2
5	4
6	2
7	8
8	2
9	100
10	2
11	16
12	18
13	26
14	12
15	160
16	4
17	70
18	70
19	2
20	12
21	6
22	4
23	76
24	202
25	2
26	4
27	4
28	10
29	24
30	2
31	14
32	18
33	22
34	8
35	8
36	48
37	4
38	72
39	132
40	224
41	180
42	142
43	10
44	96
45	24
46	10
47	24
48	124
49	76
50	2
51	164
52	34
53	196
54	120
55	34
56	24
57	128
58	118
59	8
60	6
61	34
62	2
63	2
64	8
65	116
66	18
67	552
68	6

n	a(n)
1	57
2	180
3	2
4	2
5	4
6	2
7	8
8	2
9	100
10	2
11	16
12	18
13	26
14	12
15	160
16	4
17	70
18	70
19	2
20	12
21	6
22	4
23	76
24	202
25	2
26	4
27	4
28	10
29	24
30	2
31	14
32	18
33	22
34	8
35	8
36	48
37	4
38	72
39	132
40	224
41	180
42	142
43	10
44	96
45	24
46	10
47	24
48	124
49	76
50	2
51	164
52	34
53	196
54	120
55	34
56	24
57	128
58	118
59	8
60	6
61	34
62	2
63	2
64	8
65	116
66	18
67	552
68	6

n	a(n)
1	57
2	180
3	2
4	2
5	4
6	2
7	8
8	2
9	100
10	2
11	16
12	18
13	26
14	12
15	160
16	4
17	70
18	70
19	2
20	12
21	6
22	4
23	76
24	202
25	2
26	4
27	4
28	10
29	24
30	2
31	14
32	18
33	22
34	8
35	8
36	48
37	4
38	72
39	132
40	224
41	180
42	142
43	10
44	96
45	24
46	10
47	24
48	124
49	76
50	2
51	164
52	34
53	196
54	120
55	34
56	24
57	128
58	118
59	8
60	6
61	34
62	2
63	2
64	8
65	116
66	18
67	552
68	6