A248498 - cp's OEIS frontend

A248498 The smallest number of consecutive primes beginning with prime(n+1) added to prime(n) necessary to produce another prime.

n	a(n)
1	1
2	8
3	2
4	2
5	2
6	4
7	2
8	2
9	2
10	2
11	2
12	8
13	2
14	4
15	6
16	2
17	4
18	2
19	2
20	2
21	4
22	2
23	2
24	6
25	6
26	2
27	6
28	4
29	2
30	4
31	4
32	8
33	4
34	2
35	2
36	4
37	2
38	2
39	10
40	8
41	4
42	20
43	4
44	8
45	2
46	8
47	2
48	4
49	54
50	2
51	6
52	26
53	8
54	26
55	6
56	4
57	4
58	2
59	8
60	2
61	2
62	2
63	4
64	2
65	6
66	6
67	10
68	2
69	2
70	2
71	4
72	4
73	6
74	6
75	2
76	4
77	2
78	8
79	2
80	2
81	4
82	10
83	2
84	4
85	46

[1, 8, 2, 2, 2, 4, 2, 2, 2, 2, 2, 8, 2, 4, 6, 2, 4, 2, 2, 2, 4, 2, 2, 6, 6, 2, 6, 4, 2, 4, 4, 8, 4, 2, 2, 4, 2, 2, 10, 8, 4, 20, 4, 8, 2, 8, 2, 4, 54, 2, 6, 26, 8, 26, 6, 4, 4, 2, 8, 2, 2, 2, 4, 2, 6, 6, 10, 2, 2, 2, 4, 4, 6, 6, 2, 4, 2, 8, 2, 2, 4, 10, 2, 4, 46]

cp's OEIS Frontend

A248498 The smallest number of consecutive primes beginning with prime(n+1) added to prime(n) necessary to produce another prime.

Table of values

List of values

n	a(n)
1	1
2	8
3	2
4	2
5	2
6	4
7	2
8	2
9	2
10	2
11	2
12	8
13	2
14	4
15	6
16	2
17	4
18	2
19	2
20	2
21	4
22	2
23	2
24	6
25	6
26	2
27	6
28	4
29	2
30	4
31	4
32	8
33	4
34	2
35	2
36	4
37	2
38	2
39	10
40	8
41	4
42	20
43	4
44	8
45	2
46	8
47	2
48	4
49	54
50	2
51	6
52	26
53	8
54	26
55	6
56	4
57	4
58	2
59	8
60	2
61	2
62	2
63	4
64	2
65	6
66	6
67	10
68	2
69	2
70	2
71	4
72	4
73	6
74	6
75	2
76	4
77	2
78	8
79	2
80	2
81	4
82	10
83	2
84	4
85	46

n	a(n)
1	1
2	8
3	2
4	2
5	2
6	4
7	2
8	2
9	2
10	2
11	2
12	8
13	2
14	4
15	6
16	2
17	4
18	2
19	2
20	2
21	4
22	2
23	2
24	6
25	6
26	2
27	6
28	4
29	2
30	4
31	4
32	8
33	4
34	2
35	2
36	4
37	2
38	2
39	10
40	8
41	4
42	20
43	4
44	8
45	2
46	8
47	2
48	4
49	54
50	2
51	6
52	26
53	8
54	26
55	6
56	4
57	4
58	2
59	8
60	2
61	2
62	2
63	4
64	2
65	6
66	6
67	10
68	2
69	2
70	2
71	4
72	4
73	6
74	6
75	2
76	4
77	2
78	8
79	2
80	2
81	4
82	10
83	2
84	4
85	46

n	a(n)
1	1
2	8
3	2
4	2
5	2
6	4
7	2
8	2
9	2
10	2
11	2
12	8
13	2
14	4
15	6
16	2
17	4
18	2
19	2
20	2
21	4
22	2
23	2
24	6
25	6
26	2
27	6
28	4
29	2
30	4
31	4
32	8
33	4
34	2
35	2
36	4
37	2
38	2
39	10
40	8
41	4
42	20
43	4
44	8
45	2
46	8
47	2
48	4
49	54
50	2
51	6
52	26
53	8
54	26
55	6
56	4
57	4
58	2
59	8
60	2
61	2
62	2
63	4
64	2
65	6
66	6
67	10
68	2
69	2
70	2
71	4
72	4
73	6
74	6
75	2
76	4
77	2
78	8
79	2
80	2
81	4
82	10
83	2
84	4
85	46