A205373 - cp's OEIS frontend

A205373 s(A204154), where s(j)=(prime(j+1) + prime(j+2))/2.

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

[4, 4, 6, 4, 4, 6, 4, 4, 6, 6, 4, 6, 4, 4, 6, 18, 4, 12, 15, 6, 9, 4, 4, 6, 9, 4, 12, 6, 21, 4, 45, 18, 6, 26, 4, 6, 39, 4, 6, 6, 4, 18, 21, 6, 15, 4, 9, 12, 15, 6, 9, 4, 76, 6, 9, 4, 12, 6, 34, 4, 15, 72, 6, 12, 4, 6, 9, 4, 12, 6, 15, 4, 26, 12, 6, 26, 4, 15, 26, 6]

cp's OEIS Frontend

A205373 s(A204154), where s(j)=(prime(j+1) + prime(j+2))/2.

Table of values

List of values

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

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

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