A352775 - cp's OEIS frontend

A352775 a(n) = pi(n) * (Sum_{n <= q < 2n, q prime} q) + (pi(2n-1) - pi(n-1)) * (Sum_{p <= n, p prime} p).

n	a(n)
1	0
2	9
3	26
4	34
5	56
6	74
7	175
8	130
9	215
10	308
11	412
12	472
13	596
14	477
15	692
16	919
17	1123
18	946
19	1497
20	1268
21	1673
22	2094
23	2436
24	2652
25	2652
26	2652
27	3229
28	3229
29	3713
30	4013
31	5372
32	4871
33	4871
34	5768
35	5768
36	6709
37	8594
38	7953
39	7953
40	9098
41	10102
42	10648
43	11714
44	10831
45	12358
46	12358
47	13510

[0, 9, 26, 34, 56, 74, 175, 130, 215, 308, 412, 472, 596, 477, 692, 919, 1123, 946, 1497, 1268, 1673, 2094, 2436, 2652, 2652, 2652, 3229, 3229, 3713, 4013, 5372, 4871, 4871, 5768, 5768, 6709, 8594, 7953, 7953, 9098, 10102, 10648, 11714, 10831, 12358, 12358, 13510]

cp's OEIS Frontend

A352775 a(n) = pi(n) * (Sum_{n <= q < 2n, q prime} q) + (pi(2n-1) - pi(n-1)) * (Sum_{p <= n, p prime} p).

Table of values

List of values